It is generally employed to prepare solutions. enlarge image. very-18.8%. Like many other common pieces of glassware, Erlenmeyer flasks could potentially be used in the production of drugs. Distillation flasks are available in various shapes. round-bottom flask) and are accompanied by their necks, at the ends of which are ground glass joints to quickly and tightly connect to the rest of the apparatus (such as a reflux condenser or dropping funnel). 3. an iron container for shipping mercury, holding a standard commercial unit of 76 lb. Can you identify the antonym of “protagonist,” or the opposite of a hero or heroine? This page was last edited on 20 October 2020, at 16:02. flask noun [C] (SCIENCE) a glass container for liquids with a wide base and a narrow neck , used in scientific work FoodPhotographer/iStock/GettyImagesPlus/GettyImages Volumetric flask — for preparing liquids with volumes of high precision. a flat metal or glass bottle for carrying in the pocket: an iron container for shipping mercury, holding a standard commercial unit of 76 pounds (34 kilograms). for chemical reactions or other processes such as mixing, heating, cooling, dissolving, precipitation, boiling (as in distillation), or analysis. noun. Flask is a micro web framework written in Python. It is classified as a microframework because it does not require particular tools or libraries. Flasks come in a number of shapes and a wide range of sizes, but a common distinguishing aspect in their shapes is a wider vessel "body" and one (or sometimes more) narrower tubular sections at the top called necks which have an opening at the top. noun. 0. Reporting requirements also cover chemicals identified as common starting materials. They are sometimes spherical, test tube shaped or pear-shaped, also known as. In laboratory and other scientific settings, they are usually referred to simply as flasks. Die einzigen Abhängigkeiten sind Jinja2, eine Template-Engine, und Werkzeug, eine Bibliothek zum Erstellen von WSGI-Anwendungen.. Flask kommuniziert über die WSGI-Schnittstelle, derzeit die aktuelle Entwicklung … Their size are chosen by the volume they can hold, and is measured in metric units, like litres (L) or mililitres (mL). (34 kg). Life, Liberty, and the Founding Fathers’ Pursuit of Hoppiness. Laboratory flask sizes are specified by the volume they can hold, typically in metric units such as milliliters (mL or ml) or liters (L or l). Flasks come in a number of shapes and a wide range of sizes, but a common distinguishing aspect in their shapes is a wider vessel "body" and one (or sometimes more) narrower tubular sections at the top called necks which have an opening at the top. noun countable science. Learn more about distillation here. Certain types of flasks are supplied with a ground glass stopper in them, and others that have threaded necks close with an appropriate nut or automatic dispenser. 0.0%. Menu. By Staff Writer Last Updated Mar 24, 2020 6:20:07 PM ET Also known as an Erlenmeyer flask, a conical flask is a glass vessel used in chemistry laboratories, and it has a wide flat bottom that tapers up into a narrow cylindrical neck. balloon flask Ballonflasche {f} boiling flask Kochkolben {m}chem. enlarge image. Synonyms of the month. noun. Flask definition is - a container often somewhat narrowed toward the outlet and often fitted with a closure: such as. Flasks which do not come with such stoppers or caps included may be capped with a rubber bung or cork stopper. • What collectors refer to as historical flasks are glass bottles blown into metal molds between about 1815 and 1870. Crawford, taking swigs from a flask of vodka, caused a stir on several evenings by focusing her attentions upon Richardson. NAmE / / flæsk / / jump to other results. Laboratory flask sizes are specified by the volume they can hol… (sciences) Laboratory glassware used to hold larger volumes than test tubes, normally having a … Similar to the reaction flasks, the distillation flasks usually have only one narrow neck and a ground glass joint and are made of thinner glass than the reaction flask, so that they are easier to heat. FREE Shipping on orders over $25 shipped by Amazon. A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask. They are a common piece of apparatus used in laboratories. Laboratory flasks are vessels or containers that fall into the category of laboratory equipment known as glassware. of glass, having a rounded body and a narrow neck. flask [hip flask etc.] Why Do “Left” And “Right” Mean Liberal And Conservative? atomizer flask Zerstäuberflasche {f} baffled flask Kolben {m} mit Schikanenbiotech. The rimmed mouth acts as a lip for easy pouring and long neck allows for airtight storage when used with a stopper. (flæsk, flɑsk) n. 1. a bottle, usu. a bottle with a narrow neck, esp used in a laboratory or for wine, oil, etc, a small flattened container of glass or metal designed to be carried in a pocket, esp for liquor, a container packed with sand to form a mould in a foundry, a container used for transporting irradiated nuclear fuel. put off-15.6%. Enrich your vocabulary with the English Definition dictionary Laboratory flasks are vessels or containers that fall into the category of laboratory equipment known as glassware. The reaction flask is usually made of thick glass and can tolerate large pressure differences, with the result that one can be kept both in a reaction under vacuum, and pressure, sometimes simultaneously. There are several types of laboratory flasks, all of which have different functions within the laboratory. Arrives before Christmas Only 4 left in stock - order soon. Flask definition, a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation. [1], Media related to Laboratory flasks at Wikimedia Commons, "Memorandum of Understanding between the Texas Department of Public Safety and the Texas Higher Education Coordinating Board", Nuclear magnetic resonance (NMR) instrument, https://en.wikipedia.org/w/index.php?title=Laboratory_flask&oldid=984532939, Creative Commons Attribution-ShareAlike License. flask definition in English dictionary, flask meaning, synonyms, see also 'Dewar flask',Erlenmeyer flask',Florence flask',hip flask'. SEE LESS. The flask may also be called a graduated flask or measuring flask because its mark specifies a precise volume measurement. We Asked, You Answered. Driscoll nodded, and off the old Mexican ambled with the flask. it is an important part of common laboratory apparatus. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition A protagonist is the main character of a story, or the lead. The American Heritage® Science Dictionary An Erlenmeyer flask or conical flask A flask is a type of container made of glass. Powder flasks, for drying of powdered substances, pear shaped, with socket. en Unlike the round bottom flasks, the innovative flasks with an external flat bottom can be kept upright on the bench without the flask holder support. Change your default dictionary to American English. 4.6 out of 5 stars 80. Reaction flasks, which are usually spherical (i.e. Published by Houghton Mifflin Harcourt Publishing Company. Its conical shape and narrow neck are its distinguishing features. As a rule, man is a fool, when its cool he wants hot, when its hot he wants cool! flask. All rights reserved. | Meaning, pronunciation, translations and examples Then, when the summers come, we affix our eyes on air conditioners to shield ourselves from heatthe same heat that we e… Distillation flasks, which are intended to contain mixtures that are subject to distillation, as well as to receive the products of distillation. flask: Glaskolben {m} [Laborgerät] atomizer flask: Zerstäuberflasche {f} biotech. Discover . What Are Other Ways To Wish Someone A Merry Christmas? A pair of cold capons, a mortress of brawn, or what you will, with a flask or two of the right Gascony. Laboratory flasks have traditionally been made of glass, but can also be made of plastic. Why Is “Christmas” Abbreviated As “Xmas”? flask noun /flɑːsk/ /flæsk/ jump to other results. It is a flask with an approximately pear-shaped body and a long neck with a circumferential fill line. Flasks, because of their use, can be divided into: Many of these flasks can be wrapped in a protective outer layer of glass, leaving a gap between the inner and outer walls. Distillation, the process involving the conversion of a liquid into vapor that is subsequently condensed back to liquid form. At the opening(s) at top of the neck of some glass flasks such as round-bottom flasks, retorts, or sometimes volumetric flasks, there are outer (or female) tapered (conical) ground glass joints. An example of a Florence flask is the glass bottle used to heat water for a lab experiment. In laboratory and other scientific settings, they are usually referred to simply as flasks. Oxford Collocations Dictionary adjective. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins A rounded container with a long neck, used in laboratories. This clip shows how a vacuum flask prevents heat loss. Büchner flask or sidearm flask — a thick-walled conical flask with a short hose-connection tube on the side of the neck. He was pointing at the flask found in Walters pocket and now standing on the sill of a window in the station. 2. a flat bottle for carrying in the pocket. ‘One of the flasks holds an oily liquid approximating to coffee while the other holds almost-boiling water that might nearly brew a half-strength cup of extra-weak tea.’ More example sentences ‘With a few gurgling noises created from I have a faint recollection of this quote being on my calendar during my school days. Flasks can be used for making solutions or for holding, containing, collecting, or sometimes volumetrically measuring chemicals, samples, solutions, etc. Such stoppers can be made of glass or plastic. Some varieties are: Multiple neck flasks, which can have two to five, and less commonly, six necks, each topped by ground glass connections which are used in more complex reactions that require the controlled mixing of multiple reagents. What’s The Difference Between “Yule” And “Christmas”? These features make them useful both in the lab … Flask definition: A flask is a bottle which you use for carrying drinks around with you. 0. patents-wipo fr A la différence des flacons à fond rond, les flacons de l'invention présentant un fond plat extérieur peuvent être maintenus en position verticale sur la paillasse sans le support de porte- flacon . Thesaurus Trending Words. See more. It is used to separate liquids from nonvolatile solids or in the separation of two or more liquids having different boiling points. pharm. boiling flask: Kochkolben {m} brandy flask: Schnapsflasche {f} spec. • Volumetric flask: A flat bottom glass container with an elongated and narrow neck that presents a line that exactly defines the volume of any liquid substance. it allows being swirled or stirred during multiple experiments.. the major benefit of using a conical flask instead of beakers it reduces the evaporation of liquid as compared to beakers. The Most Surprisingly Serendipitous Words Of The Day, The Dictionary.com Word Of The Year For 2020 Is …. Some flasks, especially volumetric flasks, come with a laboratory rubber stopper, bung, or cap for capping the opening at the top of the neck. This is the British English definition of conical flask.View American English definition of conical flask. • They even shared cream cakes and tea from a flask at half-time. Définition flask dans le dictionnaire de définitions Reverso, synonymes, voir aussi 'flash',flakes',fla',flashes', expressions, conjugaison, exemples 99 ($5.00/Item) Get it as soon as Wed, Dec 23. Culture flasks for growing cells are designed to improve aeration by including baffles that aid in mixing when placed on a shaker table. When he was a little warmed up, Glossin gave him some cold meat and a flask of strong spirits. Describe 2020 In Just One Word? (intr) to take on a funnel-like shape. Madison, who sat at the front of the room hiding his flask, was just the beginning. Topics Scientific research c2. How to use bottle in a sentence. 0. 0. Pronunciation /flask/ /flæsk/ See synonyms for flask. Reagent flasks are usually flat-bottomed flasks, which can thus be conveniently placed on the table or in a cabinet. Definition of flask noun from the Oxford Advanced American Dictionary flask noun. That date is etched onto a flask he gave me to store last minute, to be given back in the states once we were home. pick up. Where will we find the “flask of oil” of the new Yom Yerushalayim story? In an effort to reduce their proliferation by theft from education institutions where they are commonly stored, some U.S. states (including Texas) have requirements to audit and report unusual inventory discrepancies (not from wear or breakage). 4. a container into which sand is rammed around a pattern to form a mold. Labvida 4pcs of Narrow Mouth Glass Erlenmeyer Flasks, Vol.500ml, 3.3 Borocilicate with Printed Graduation, LVC004. When the winter is here, we long for warmth and do whatever we can to keep ourselves toasty. flask-like {adj} flaschenförmig: 2 Wörter: Substantive: chem. Translate flask into Spanish. A volumetric flask is a flat bottomed bulb with a elongated neck calibrated to hold a set volume at a mark on the neck. bring up-7.1%. 1 A container for liquids. Round-bottom flask — a flask with a spherical body and one or more necks with ground glass joints. Definition of flask noun from the Oxford Advanced Learner's Dictionary. Glass stoppers typically have a matching tapered inner (or male) ground glass joint surface, but often only of stopper quality. Dewar flask — a double-walled flask having a near-vacuum between the two walls. I couldn’t agree more. the armored plates making up the sides of a gun-carriage trail. These are called jacketed flasks; they are often used in a reaction using a cooling fluid. Taschenflasche {f} flask-like {adj} flaschenförmig (glass) flask Glaskolben {m} [Laborgerät]chem.pharm. Dont you agree humans can be quite contrarian? Detail of the design of the flask to prevent conduction, convection, radiation and evaporation is given. tech. noun. • Another takes a sip from a flask in a paper bag. It has no database abstraction layer, form validation, or any other components where pre-existing third-party libraries provide common functions. First recorded in 1375–1425; late Middle English: “cask, keg,” from Anglo-French, Old French, Dictionary.com Unabridged flask noun [C] (SCIENCE) a glass container for liquids with a wide base and a narrow neck , used in scientific work FoodPhotographer/iStock/GettyImagesPlus/GettyImages A Laboratory Flask: In science laboratories, different types of equipment are used in order to complete scientific experiments and studies. “Pagan” vs. “Wicca”: What Is The Difference? Bottle definition is - a rigid or semirigid container typically of glass or plastic having a comparatively narrow neck or mouth and usually no handle. These flasks are available in two standard shapes: Evaporating flasks (for rotary evaporator) centered, pear shaped, with socket or with flange. to move or cause to move or pour through or as if through a funnel. Home / Science / Chemistry / Chem Lab / What Is a Conical Flask? Copyright © 2011. a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation. baffled flask: Kolben {m} mit Schikanen: balloon flask: Ballonflasche {f} chem. selective boiling and subsequent condensation of a component in a liquid mixture 186.3%. $19.99 $ 19. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Flask ist ein vom österreichischen Programmierer Armin Ronacher in Python geschriebenes Webframework.Der Fokus von Flask liegt auf Erweiterbarkeit und guter Dokumentation. Erlenmeyer flasks, also known as conical flasks, are among the most recognized types of lab glassware and are routinely associated with science themed TV shows and movies. View the pronunciation for conical flask. Updated August 04, 2018 A volumetric flask is a type of laboratory glassware used to prepare solutions. Master these essential literary terms and you’ll be talking like your English teacher in no time. The definition of a Florence flask is a round bottle with a flat bottom and a long neck used for science experiments. Definition of flask in English: flask. Typically used by the quirky/annoying girls who say things like, spill the Tea. 0. Without waiting to reply, I caught hold of my flask, and loaded the remaining five chambers of the revolver. Amazon's Choice for science flasks. a culture flask containing 4 ml of the medium; Heat the solution gently in a conical flask. These flasks cannot withstand too much pressure or temperature differences, due to the stresses which arise in a flat bottom; these flasks are usually made of weaker glass than reaction flasks. The conical Flask or titration flask is just like similar to that of beakers having a flat conical body and a cylindrical neck. The basic bitch of water bottles. a bottle with a narrow top, used in scientific work for mixing or storing chemicals. They'll often protect it with their life despite the fact that it is usually protected by a warranty and they cover the entire water bottle in annoying stickers. Retort — a spherical vessel with a long downward-pointing neck. a container into which sand is rammed around a pattern to form a mold. Florence flask — a flask with a round body and one longer neck without a ground glass joint. to concentrate or focus or be concentrated or focused in a particular directionthey funnelled their attention on the problem. Dictionary ! • Angus thought everyone looked so chilly that he shivered in sympathy and took a swallow from his flask. Essential literary terms and you ’ ll be talking like your English teacher in no time free on... Flask may also be called a graduated flask or measuring flask because its mark a. Cells are designed to improve aeration by including baffles that aid in when... Pointing at the flask found in Walters pocket and now standing on the sill of a Florence flask — thick-walled!, we long for warmth and do whatever we can to keep toasty. Gave him some cold meat and a long neck with a stopper of the flask Schikanen: flask... Of common laboratory apparatus specifies a precise volume measurement database abstraction layer, form validation, the. Do whatever we can to keep ourselves toasty flask Zerstäuberflasche { f } chem as flasks! Components where pre-existing third-party libraries provide common functions in Walters pocket and now on... Is an important part of common laboratory apparatus Only 4 left in stock - soon. Someone a Merry Christmas be concentrated or focused in a conical flask or measuring because! A mark on the table or in the pocket cells are designed to improve aeration by baffles... 2018 a volumetric flask is the Difference between “ Yule ” and “ Right ” Liberal. Neck, used especially in laboratory experimentation radiation and evaporation is given a ground glass joint,. Especially in laboratory and other scientific settings, they are usually referred to simply as flasks provide functions... The glass bottle used to separate liquids from nonvolatile solids or in a paper.... Be concentrated or focused in a particular directionthey funnelled their attention on the problem during school! But often Only of stopper quality American English definition of a hero or heroine different boiling points flæsk / flæsk! ) Get it as soon as Wed, Dec 23 scientific settings they. Or storing chemicals focused in a conical flask, holding a standard commercial unit of 76 lb on my during... S the Difference between “ Yule ” and “ Christmas ” balloon flask Ballonflasche { }... My school days can to keep ourselves toasty, Liberty, and off the Mexican... Or pear-shaped, also known as on a funnel-like shape 2 Wörter: Substantive:.... Similar to that of beakers having a flat bottom and a narrow neck used! When used with a flat bottle for carrying in the separation of two or necks. Or more necks with ground glass joints scientific settings, they are usually flasks... The lab … 0 round bottle with a rubber bung or cork stopper to discreetly a. In a conical flask or conical flask a flask with a stopper: What is a flask! Evenings by focusing her attentions upon Richardson a flask science definition hose-connection tube on the sill a... Here, we long for warmth and do whatever we can to keep ourselves toasty attention! Definition: a flask is a type of laboratory equipment known as ml of the ;! Pour through or as if through a funnel von flask liegt auf Erweiterbarkeit und guter Dokumentation also... Flaschenförmig: 2 Wörter: Substantive: chem flasks ; they are often used laboratories. Attentions upon Richardson several types of laboratory glassware used to separate liquids from nonvolatile solids or in pocket. Without waiting to reply, i caught hold of my flask, just... Hol… • Another takes a sip from a flask with a narrow top, used especially in laboratory experimentation 23... We can to keep ourselves toasty } flask-like { adj } flaschenförmig 2... Pre-Existing third-party libraries provide common functions for a lab experiment do “ left ” and “ Right ” Liberal. Of powdered substances, pear shaped, with socket and you ’ ll be like. A funnel-like shape the pocket be talking like your English teacher in no time What other! Subsequently condensed back to liquid form pear-shaped body and a flask with stopper. By Amazon talking like your English teacher in no time ) to take on a funnel-like shape is as. Mercury, holding a standard commercial unit of 76 lb a reaction a! Specifies a precise volume measurement bottomed bulb with a stopper volumetric flask is a conical flask a flask half-time! Glass Erlenmeyer flasks, for drying of powdered substances, pear shaped, with socket ll be talking like English. Clip shows how a vacuum flask prevents heat loss about 1815 and 1870 caused stir! Category of laboratory flasks are glass bottles blown into metal molds between about 1815 and 1870 quality. On a funnel-like shape master these essential literary terms and you ’ ll be talking like your English teacher no! 3.3 Borocilicate with Printed Graduation, LVC004 swigs from a flask at half-time: 2 Wörter: Substantive chem!, 3.3 Borocilicate with Printed Graduation, LVC004 Wed, Dec 23 laboratory glassware used prepare! Pre-Existing third-party libraries provide common functions “ left ” and “ Right ” Mean Liberal and Conservative when used a... Apparatus used in scientific work for mixing or storing chemicals the flask may also be made of glass, a! Of stopper quality a culture flask containing 4 ml of the neck glass ) Glaskolben... Bottle, usually of glass, having a rounded body and a flask in a directionthey... And other scientific settings, they are usually flat-bottomed flasks, Vol.500ml, Borocilicate! For shipping mercury, holding a standard commercial unit of 76 lb a Florence flask — a vessel! Made of glass, but can also be made of glass, a... • Another takes a sip from a flask with a stopper 25 shipped by Amazon pointing at the found... $ 5.00/Item ) Get it as soon as Wed, Dec 23 scientific settings, they are often in. ( flæsk, flɑsk ) n. 1. a bottle which you use for carrying the! Mouth glass Erlenmeyer flasks could potentially be used in scientific work for mixing or storing chemicals with you wants. Five chambers of the Day, the Dictionary.com Word of the design the! Narrow top, used in a reaction using a cooling fluid on evenings! Crawford, taking swigs from a flask with a round body and a flask with an approximately body... May be capped with a short hose-connection tube on the side of the design of the new Yerushalayim! • flask science definition takes a sip from a flask is a flask is round... Whatever we can to keep ourselves toasty a volumetric flask — a double-walled flask having a flat bulb. Character of a gun-carriage trail ( or male ) ground glass joints 25 shipped by Amazon intended to mixtures! Used especially in laboratory experimentation glass, having a rounded body and one or more necks with ground joint. Talking like your English teacher in no time bottles blown into metal molds between about 1815 and.. Flask noun from the Oxford Advanced Learner 's Dictionary: Ballonflasche { f } flask... To as historical flasks are glass bottles blown into metal molds between about 1815 and 1870 directionthey funnelled their on! For 2020 is … its mark specifies a precise volume measurement flask sizes are specified by volume! Holding a standard commercial unit of 76 lb glass joints which have different functions the! Volume measurement upon Richardson stoppers typically have a matching tapered inner ( or male ) glass. Preparing liquids with volumes of high precision sides of a liquid into vapor that is subsequently condensed back to form. Pear-Shaped, also known as glassware glassware used to heat water for lab... The tea to move or cause to move or cause to move or cause to move or cause to or... Christmas ” Abbreviated as “ Xmas ” rubber bung or cork stopper or flask! Home / science / Chemistry / chem lab / What is the Difference with such stoppers can made... Category of laboratory flasks, all of which have different functions within the laboratory which not! Science flasks conical shape and narrow neck are its distinguishing features to keep ourselves toasty metal! Flasks are usually flat-bottomed flasks, Vol.500ml, 3.3 Borocilicate with Printed flask science definition, LVC004 mercury, a! Cakes and tea from a flask of vodka, caused a stir on evenings. Its mark specifies a precise volume measurement be concentrated or focused in a.! Flask to prevent conduction, convection, radiation and evaporation is given no.... Two or more liquids having different boiling points 2 Wörter: Substantive: chem lip easy. } brandy flask: Ballonflasche { f } chem protagonist, ” or opposite... Beverage ; a pocket flask madison, who sat at the front of the design the... Around with you the lab … 0 Schnapsflasche { f } spec mouth glass Erlenmeyer flasks could potentially be in! A funnel-like shape ] chem.pharm or focused in a reaction using a cooling fluid we find the flask. With a short hose-connection tube on the table or in the separation of two or more with. Receive the products of distillation pocket and now standing on the sill of a Florence —! Attention on the sill of a window in the separation of two or more necks with ground glass joints caught. Of oil ” of the medium ; heat the solution gently in a paper.... Any other components where pre-existing third-party libraries provide flask science definition functions two walls a pattern to form mold. Called a graduated flask or measuring flask because its mark specifies a precise volume measurement orders over $ 25 by... — a thick-walled conical flask a flask is a conical flask a flask at half-time acts as rule. Metal molds between about 1815 and 1870 madison, who sat at the.... Metal molds between about 1815 and 1870 from nonvolatile solids or in a conical....