Cognate with Saterland Frisian Bieker (“mug, cup, beaker”), Dutch beker (“beaker, cup”), German Becher (“beaker, cup, goblet”), Danish bæger (“beaker”), Italian bicchiere (“cup, glass (for drink)”). instead, graduated cylinders or conical flasks are used for accurate volumes. Graduated beakers can measure the volume or amount of liquid that is put in the beaker. Most are made of glass, but other non-corrosive materials, such as metal and heat-resistant plastic, are also used. The modern type of Beakers are often made with borosilicate glass and also some are made with metals like aluminum or stainless steel. Typical beaker tongs can grab beakers of any size and can also be used to move other objects, such as cans. A drinking vessel without a handle, sometimes for the use of children. Beakers usually have a flat bottoms and a lip around the top. Science Fair Project Ideas for Kids, Middle & High School Students, Practical Chemistry.org: Heating Substances. A beaker is a cylindrical container used to store, mix and heat liquids in laboratories. Define biologist. Robert C. Young began writing professionally in 1989 as a copywriter for an advertising specialty company. Introduction to Biology. K.C.S.E Online Revision . it is also a prehistoric drinking vessel and often used as a beverage container. a thin glass vessel, with a lip (beak) for pouring, used as containers for liquids. So if you want to get benefits from this post you’ll love this post. 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. Know the details here to learn how the body sets the body temperat.. Neurons generate electric signals that they pass along to the other neurons or target tissues. KCSE Revision Questions and Answers. Stir the liquid inside the beaker with a spoon or stirrer. 1 : a large drinking cup that has a wide mouth and is sometimes supported on a standard. Don't have an account yet? Biology Forum; About Us; Contact Us; Partners; Editorial Guidelines; The content on this website is for information only. A beaker is a common laboratory apparatus used in chemical laboratories and medical experiments. Any information here should not be considered absolutely correct, complete, and up-to-date. Tonicity is the concentration of a solution as compared to another solution. The grips of beaker tongs are generally wrapped in cloth or form-fitting vinyl. beaker synonyms, beaker pronunciation, beaker translation, English dictionary definition of beaker. to prevent contamination or loss of the contents, they are covered by a watch glass by allowing venting via the spout. Before using our website, please read our Privacy Policy. after heating, pour the liquid slowly from the lip around the top of the beaker, Your email address will not be published. A beaker is a cylindrical container used to store, mix and heat liquids in laboratories. since a spout is present on the upper side of the beakers hence they do not have a lid. In laboratory equipment, a beaker is generally a cylindrical container with a flat bottom. n. 1. The word comes from the Greek root bikos, "earthenware jug.". beaker definition: 1. a glass or plastic container used in chemistry 2. a cup, usually with no handles, used for…. Possibly from Ancient Greek βῖκος (bîkos, “earthenware jug, wine jar”), or from Latin bacarium (“wine vat, vase”). Beakers are available in different sizes and a variety of ranges like single millimeters to seral millimeters. It is slightly different from the conical flask due to having a straight slide rather than sloping slides. always avoid to not fill the beaker 1/3 while heating. Learn more. 3. beakers are used for estimated volumes that are accurate up to 10% of accuracy. All Rights Reserved. It's free and takes five seconds. Most also have a small spout (or "beak") to aid pouring, as shown in the picture. the flat-beakers are also used as a vessel for hot-bath heating and they do not have a  flat scale on their walls. It is a piece of cylindrical shape equipment or container with a flat bottom having a small spout for aid pouring. A beaker is a glass container with a flat bottom that scientists use to hold liquids. Beakers usually have a flat bottoms and a lip around the … performing different chemical experiments are more likely with the help of Low form beakers. there is also a third type of beakers i.e, Flat beakers which are known as crystallizers and used to perform crystallization. Beakers are manufactured in a range of sizes, from tall and thin to short and stout. From 2000 to 2007 he operated a real-estate development and construction company. Beakers contain markings on their sides to indicate different volume measurements, similar to … Definition of beaker noun in Oxford Advanced Learner's Dictionary. Properties of Liquid Based on Certain Measurements, Difference between Characteristics and Mantissa with Definitions, Difference Between Intensive and Extensive properties with examples. This page was last edited on 23 November 2020, at 15:53. 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. Difference Between Ideal Gas And Real Gas. beaker. Most are made of glass, but other non-corrosive materials, such as metal and heat-resistant plastic, are also used. Human intelligence provided the means to utilize abstract ideas and implement reasoning. 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. A beaker is a common laboratory apparatus used in chemical laboratories and medical experiments. on the other hand, Tall-form beakers have a height about twice their diameter rather than simple form. Concentration describes the amount of solutes dissolved by a solution. It is a piece of cylindrical shape equipment or container with a flat bottom having a small spout for aid pouring. Sign up. Along with things like Bunsen burners and test tubes, a well-stocked chemistry lab has plenty of beakers. 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. Beaker tongs are used to handle hot beakers. 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. Always keenly interested in biology, his almost unlimited means had permitted him to … n. 1. 2. Tonicity is the concentration of a solution as compared to another solution. Archaeologists identify several different types including the inverted-bell beaker, the butt beaker, the claw beaker, and the rough-cast beaker.. now it’s time to heat the liquid in an appropriate way. A beaker is a glass container with a flat bottom that scientists use to hold liquids. Doublet of pitcher. Concentration describes the amount of solutes dissolved by a solution. John Joseph Griffin discovered first the common form of the beaker with a spout at the upper end. In cartoons, mad scientists sometimes cackle gleefully while pouring bubbling chemicals into beakers. it is also a prehistoric drinking vessel and often used as a beverage container. It's free and takes five seconds. one thing must keep in mind that these devices are not made for the precise volumes of liquids. His work has been published online at SFGate and various other websites. for handling the hot beaker always use safety tongs. Definition of beaker. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you polypropylene beakers are seen often during gamma spectral analysis of liquid and solid samples.