KCSE Revision Questions and Answers. Tonicity is the concentration of a solution as compared to another solution. A beaker is a cylindrical container used to store, mix and heat liquids in laboratories. instead, graduated cylinders or conical flasks are used for accurate volumes. Definition from Wiktionary, the free dictionary, https://en.wiktionary.org/w/index.php?title=beaker&oldid=61183650, English terms inherited from Middle English, English terms derived from Middle English, Creative Commons Attribution-ShareAlike License. Archaeologists identify several different types including the inverted-bell beaker, the butt beaker, the claw beaker, and the rough-cast beaker.. Sign up. Pour liquid out of the beaker by using the spout in the lip around the top of the beaker. In laboratory equipment, a beaker is generally a cylindrical container with a flat bottom. the standard beakers are often present in height of 1.4 then its diameter. Before using our website, please read our Privacy Policy. He graduated with a Bachelor of Business Administration in economics from Georgia State University. Beakers are available in different sizes and a variety of ranges like single millimeters to seral millimeters.

always avoid to not fill the beaker 1/3 while heating. From Middle English bekyr, biker, from Old Norse bikarr (“cup”), from Old Saxon bikeri (“cup”), from Late Latin bīcārium (“wine vat, jug”), of disputed origin. use a spoon or stirrer inside the beaker to stir liquids. n. 1. many of them are also made with a heat-resistant plastic or non-corrosive materials such as polypropylene, polythene, and PTFE, etc. Your email address will not be published.

Beakers usually have a flat bottoms and a lip around the … © 2001-2020 BiologyOnline. From 2000 to 2007 he operated a real-estate development and construction company. Tonicity Definition. beaker cell: an epithelial cell that becomes distended with a large accumulation of mucinogen-containing secretory granules at its apical end, giving it the appearance of a goblet. 2 : a deep widemouthed thin-walled vessel usually with a lip for pouring that is used … In Britain, a beaker is a drinking cup mainly used by children, but in the U.S. the word is primarily used to mean a cylindrical glass vessel for mixing, measuring, and pouring liquid chemicals. Most also have a small spout (or "beak") to aid pouring, as shown in the picture. A wide cylindrical glass vessel with a pouring lip, used as a laboratory container and mixing jar. a thin glass vessel, with a lip (beak) for pouring, used as containers for liquids. instead of plastic-type. beaker synonyms, beaker pronunciation, beaker translation, English dictionary definition of beaker. for example, a 250 mL container can be marked as 50 nL, 100 mL, 150 mL, 200 mL, 250 mL, etc.

Define biologist. Definition of beaker noun in Oxford Advanced Learner's Dictionary. Any information here should not be considered absolutely correct, complete, and up-to-date. The modern type of Beakers are often made with borosilicate glass and also some are made with metals like aluminum or stainless steel. hence, it is often called Griffin beaker too. on the path to systematic vocabulary improvement.

Biology is a branch of science that deals with the study of living things. This page was last edited on 23 November 2020, at 15:53. John Joseph Griffin discovered first the common form of the beaker with a spout at the upper end. The word comes from the Greek root bikos, "earthenware jug.". Define beaker. Most are made of glass, but other non-corrosive materials, such as metal and heat-resistant plastic, are also used. This tutorial deals with the structure and function of flowers, fruits, and seeds. https://medical-dictionary.thefreedictionary.com/beaker+cell. to do so, keep the center of the beaker under the open flame of the bunsen burner for heating the liquids. a small open container usually used for drinking; usually has a handle, a vessel (usually cylindrical) with a wide mouth and without handles. This tutorial digs into the past to investigate the origins of life.

it is also a prehistoric drinking vessel and often used as a beverage container. Beakers are available in a wide range of sizes, from one milliliter up to several liters. An epithelial cell that becomes distended with a large accumulation of mucous secretory granules at its apical end, giving it the appearance of a goblet. all types of beakers are graduated which is marked with lines on the sides which indicates the amount or volume of solutions contained in it. one thing must keep in mind that these devices are not made for the precise volumes of liquids.

A beaker is a glass container with a flat bottom that scientists use to hold liquids. Beaker a thin glass vessel, with a lip (beak) for pouring, used as containers for liquids. beaker (plural beakers) A flat-bottomed vessel, with a lip, used as a laboratory container. Bunsen burners, heat plates, stirrers, safety tongs, safety goggles, gloves and lab coats are tools commonly used when working with beakers. Most are made of glass, but other non-corrosive materials, such as metal and heat-resistant plastic, are also used. It is slightly different from the conical flask due to having a straight slide rather than sloping slides. Graduated beakers can measure the volume or amount of liquid that is put in the beaker.

His work has been published online at SFGate and various other websites. there is also a third type of beakers i.e, Flat beakers which are known as crystallizers and used to perform crystallization. Concentration describes the amount of solutes dissolved by a solution. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. It's free and takes five seconds. Beaker tongs are used to handle hot beakers. Properties of Liquid Based on Certain Measurements, Difference between Characteristics and Mantissa with Definitions, Difference Between Intensive and Extensive properties with examples. Science Fair Project Ideas for Kids, Middle & High School Students, Practical Chemistry.org: Heating Substances. the tall form often called Berzelius beakers which are used in the process of titration. A beaker is a container used to hold, mix, and pour liquid or powdered chemicals. It is not intended to provide medical, legal, or any other professional advice. It is a piece of cylindrical shape equipment or container with a flat bottom having a small spout for aid pouring. In cartoons, mad scientists sometimes cackle gleefully while pouring bubbling chemicals into beakers. the liquid you want to do experiment with, pour into the beaker slowly so that it does not splash out from the container. Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you It is a piece of cylindrical shape equipment or container with a flat bottom having a small spout for aid pouring.

Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The exception to this definition is a slightly conical-sided beaker … polypropylene beakers are seen often during gamma spectral analysis of liquid and solid samples. glass beakers can be heated under the stove or bunsen burner at high temperatures. This tutorial takes a further l.. Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select.. It's free and takes five seconds. 1 : a large drinking cup that has a wide mouth and is sometimes supported on a standard. Biology Notes Form 1 - Biology Form 1 Notes - Form 1 Biology Notes. Also included here are the types of f.. This tutorial elucidates body temperature regulation. Robert C. Young began writing professionally in 1989 as a copywriter for an advertising specialty company. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.

The content on this website is for information only. In cartoons, mad scientists sometimes cackle gleefully while pouring bubbling chemicals into beakers. A beaker is distinguished from a flask by having straight rather than sloping sides. For example, tall Berzelius beakers make convenient titration tools. Tonicity Definition.

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