Also agar-agar. Also called Chinese gelatin, Chinese isinglass, Japanese gelatin, Japanese isinglass. a gelatinlike product of certain seaweeds, used for solidifying certain culture media, as a thickening agent for ice cream and other foods, as a substitute for gelatin, in adhesives, as an emulsifier, etc.
Biology. a culture medium having an agar base.
Other definitions for Agar (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use agar in a sentence
Vodovotz uses seaweed-derived agar for her grapefruit confections, to balance the effect the acid has on the gummy’s texture.
After finding the mushrooms, he’d grown them out in the agar, and with a scalpel and sterilizer had propagated the resulting mycelia in dozens of glass jars stacked on racks outside the air lock.
She saw my research skills, my tenacity, and my willingness to walk—or run, if necessary—a mile to the lab first thing on Saturday mornings to pour agar plates so everyone was prepared for the day’s experiments.
It is a mega-leap from the agar and test-tube finding to real patients and their delicate lungs.Big Tobacco, Not MRSA, Is the Real Problem With E-Cigarettes | Kent Sepkowitz | May 20, 2014 | THE DAILY BEAST
He should, then, at least have given a small flock to his mistress agar, when he sent her away in the desert.A Philosophical Dictionary, Volume 1 (of 10) | Franois-Marie Arouet (AKA Voltaire)
Complete the solution of the various ingredients by bubbling live steam through the flask as in making nutrient agar.
Bubble live steam through the mixture for twenty minutes, to dissolve the agar.
Rotate the tube between the hands in order to diffuse the citrated blood evenly throughout the agar.
If, however, it is to be used as the basis for agar or gelatine media store it in the "Double Strength" condition.
British Dictionary definitions for agar
a complex gelatinous carbohydrate obtained from seaweeds, esp those of the genus Gelidium, used as a culture medium for bacteria, a laxative, in food such as ice cream as a thickening agent (E406), etc: Also called: agar-agar
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for agar
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.