- a gelatinous product made from seaweed and used as a base for bacterial cultures, as a laxative, in jellied and preserved foods, in electrophoresis, etc.
- a base containing agar
Origin of agar
MalayAlso a′gar-a′gar
agar
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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agar
also a·gar-a·gar
noun
- A gelatinous material derived from certain marine algae. It is used as a base for bacterial culture media and as a stabilizer and thickener in many food products.
- A culture medium containing this material.
Origin of agar
Short for Malay agar-agarTHE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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A gelatinous material obtained from marine algae, especially seaweed, used as a medium for growing bacterial cultures in the laboratory and as a thickener and stabilizer in food products.
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Noun
(uncountable)
- A gelatinous material obtained from the marine algae, used as a bacterial culture medium, in electrophoresis and as a food additive.
- (chemistry) An agarose, the principle constituent of the commercial gel.
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agar - Medical Definition
also agar-agar (ā′gär-ā′gär′, ä′gär-ä′-)
n.
- A gelatinous material derived from certain marine algae. It is used as a base for bacterial culture media and as a stabilizer and thickener in many food products.
- A culture medium containing this material.
The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Sentence Examples
- Agar-agar is a gelatinous substance derived from an eastern species of Gracilaria.
- Agar-agar is a gelatinous substance derived from an eastern species of Gracilaria.
- General Hospitals with Medical Schools (all of which, with the exception of that of the Seamen's Hospital, are schools of London University): Charing Cross; Agar Street, Strand (1820).
- There is a leather factory at Morar; cotton-presses at Morena, Baghana and Ujjain; ginning factories at Agar, Nalkhera, Shajapur and Sonkach; and a cotton-mill at Ujjain.
- (2) The Institute is of opinion that in the hands of more or less unskilled workers it is easier to ensure freedom from contamination by Haffkine's ` standard method ' of manufacturing plague vaccine than with the ` water agar process ' as employed by him.
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