Flask definition, a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation. NAmE / / flæsk / / jump to other results. Enrich your vocabulary with the English Definition dictionary enlarge image. Laboratory flasks are vessels or containers that fall into the category of laboratory equipment known as glassware. for chemical reactions or other processes such as mixing, heating, cooling, dissolving, precipitation, boiling (as in distillation), or analysis. 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). 0. Oxford Collocations Dictionary adjective. As a rule, man is a fool, when its cool he wants hot, when its hot he wants cool! 1 A container for liquids. Laboratory flask sizes are specified by the volume they can hol… Distillation, the process involving the conversion of a liquid into vapor that is subsequently condensed back to liquid form. It is a flask with an approximately pear-shaped body and a long neck with a circumferential fill line. Arrives before Christmas Only 4 left in stock - order soon. Synonyms of the month. All rights reserved. Home / Science / Chemistry / Chem Lab / What Is a Conical Flask? flask. Flask ist ein vom österreichischen Programmierer Armin Ronacher in Python geschriebenes Webframework.Der Fokus von Flask liegt auf Erweiterbarkeit und guter Dokumentation. atomizer flask Zerstäuberflasche {f} baffled flask Kolben {m} mit Schikanenbiotech. Distillation flasks are available in various shapes. Crawford, taking swigs from a flask of vodka, caused a stir on several evenings by focusing her attentions upon Richardson. to move or cause to move or pour through or as if through a funnel. Then, when the summers come, we affix our eyes on air conditioners to shield ourselves from heatthe same heat that we e… Round-bottom flask — a flask with a spherical body and one or more necks with ground glass joints. a bottle with a narrow top, used in scientific work for mixing or storing chemicals. 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. 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). When he was a little warmed up, Glossin gave him some cold meat and a flask of strong spirits. Reaction flasks, which are usually spherical (i.e. Dictionary ! A rounded container with a long neck, used in laboratories. Change your default dictionary to American English. a container into which sand is rammed around a pattern to form a mold. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. 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. (sciences) Laboratory glassware used to hold larger volumes than test tubes, normally having a … A volumetric flask is a flat bottomed bulb with a elongated neck calibrated to hold a set volume at a mark on the neck. • Angus thought everyone looked so chilly that he shivered in sympathy and took a swallow from his flask. pick up. Where will we find the “flask of oil” of the new Yom Yerushalayim story? Distillation flasks, which are intended to contain mixtures that are subject to distillation, as well as to receive the products of distillation. A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask. Flasks can be used for making solutions or for holding, containing, collecting, or sometimes volumetrically measuring chemicals, samples, solutions, etc. flask noun /flɑːsk/ /flæsk/ jump to other results. flask-like {adj} flaschenförmig: 2 Wörter: Substantive: chem. 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. In laboratory and other scientific settings, they are usually referred to simply as flasks. Büchner flask or sidearm flask — a thick-walled conical flask with a short hose-connection tube on the side of the neck. 4.6 out of 5 stars 80. a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 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. Retort — a spherical vessel with a long downward-pointing neck. 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. Discover . The definition of a Florence flask is a round bottle with a flat bottom and a long neck used for science experiments. 0. to concentrate or focus or be concentrated or focused in a particular directionthey funnelled their attention on the problem. 0. 99 ($5.00/Item) Get it as soon as Wed, Dec 23. This clip shows how a vacuum flask prevents heat loss. 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. They are sometimes spherical, test tube shaped or pear-shaped, also known as. ‘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 Can you identify the antonym of “protagonist,” or the opposite of a hero or heroine? This is the British English definition of conical flask.View American English definition of conical flask. Glass stoppers typically have a matching tapered inner (or male) ground glass joint surface, but often only of stopper quality. 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. • What collectors refer to as historical flasks are glass bottles blown into metal molds between about 1815 and 1870. The American Heritage® Science Dictionary Bottle definition is - a rigid or semirigid container typically of glass or plastic having a comparatively narrow neck or mouth and usually no handle. balloon flask Ballonflasche {f} boiling flask Kochkolben {m}chem. Why Is “Christmas” Abbreviated As “Xmas”? The Most Surprisingly Serendipitous Words Of The Day, The Dictionary.com Word Of The Year For 2020 Is …. Volumetric flask — for preparing liquids with volumes of high precision. Flask definition: A flask is a bottle which you use for carrying drinks around with you. Laboratory flasks are vessels or containers that fall into the category of laboratory equipment known as glassware. 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). Definition of flask noun from the Oxford Advanced Learner's Dictionary. Life, Liberty, and the Founding Fathers’ Pursuit of Hoppiness. 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. Dont you agree humans can be quite contrarian? It is classified as a microframework because it does not require particular tools or libraries. What’s The Difference Between “Yule” And “Christmas”? Florence flask — a flask with a round body and one longer neck without a ground glass joint. Some flasks, especially volumetric flasks, come with a laboratory rubber stopper, bung, or cap for capping the opening at the top of the neck. It has no database abstraction layer, form validation, or any other components where pre-existing third-party libraries provide common functions. 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 . Culture flasks for growing cells are designed to improve aeration by including baffles that aid in mixing when placed on a shaker table. Pronunciation /flask/ /flæsk/ See synonyms for flask. 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 … Describe 2020 In Just One Word? 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. | Meaning, pronunciation, translations and examples This page was last edited on 20 October 2020, at 16:02. Its conical shape and narrow neck are its distinguishing features. 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. Published by Houghton Mifflin Harcourt Publishing Company. selective boiling and subsequent condensation of a component in a liquid mixture a culture flask containing 4 ml of the medium; Heat the solution gently in a conical flask. Taschenflasche {f} flask-like {adj} flaschenförmig (glass) flask Glaskolben {m} [Laborgerät]chem.pharm. 3. an iron container for shipping mercury, holding a standard commercial unit of 76 lb. it is an important part of common laboratory apparatus. • 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. These are called jacketed flasks; they are often used in a reaction using a cooling fluid. 2. a flat bottle for carrying in the pocket. noun. Powder flasks, for drying of powdered substances, pear shaped, with socket. How to use bottle in a sentence. boiling flask: Kochkolben {m} brandy flask: Schnapsflasche {f} spec. Définition flask dans le dictionnaire de définitions Reverso, synonymes, voir aussi 'flash',flakes',fla',flashes', expressions, conjugaison, exemples • They even shared cream cakes and tea from a flask at half-time. Copyright © 2011. 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. Without waiting to reply, I caught hold of my flask, and loaded the remaining five chambers of the revolver. 0. 4. a container into which sand is rammed around a pattern to form a mold. noun countable science. What Are Other Ways To Wish Someone A Merry Christmas? put off-15.6%. We Asked, You Answered. noun. Menu. They are a common piece of apparatus used in laboratories. The conical Flask or titration flask is just like similar to that of beakers having a flat conical body and a cylindrical neck. Laboratory flasks have traditionally been made of glass, but can also be made of plastic. It is generally employed to prepare solutions. 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. 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 It is used to separate liquids from nonvolatile solids or in the separation of two or more liquids having different boiling points. The flask may also be called a graduated flask or measuring flask because its mark specifies a precise volume measurement. 0.0%. Detail of the design of the flask to prevent conduction, convection, radiation and evaporation is given. pharm. See more. The rimmed mouth acts as a lip for easy pouring and long neck allows for airtight storage when used with a stopper. (34 kg). Flasks which do not come with such stoppers or caps included may be capped with a rubber bung or cork stopper. These features make them useful both in the lab … FREE Shipping on orders over $25 shipped by Amazon. $19.99 $ 19. Thesaurus Trending Words. Such stoppers can be made of glass or plastic. 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. Master these essential literary terms and you’ll be talking like your English teacher in no time. The basic bitch of water bottles. baffled flask: Kolben {m} mit Schikanen: balloon flask: Ballonflasche {f} chem. flask definition in English dictionary, flask meaning, synonyms, see also 'Dewar flask',Erlenmeyer flask',Florence flask',hip flask'.