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\ ˈä-gər 
\
\Definition of agar
1 : a gelatinous colloidal extract of a red alga (as of the genera Gelidium, Gracilaria, and Eucheuma) used especially in culture media or as a gelling and stabilizing agent in foods
2 : a culture medium containing agar
Examples of agar in a Sentence
Recent Examples on the Web In the lab, they are fed a standard diet consisting of a slurry of malt, corn meal, yeast, agar and syrup.
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Tim Vernimmen, Scientific American, "How Monarch Butterflies Evolved to Eat a Poisonous Plant," 2 Oct. 2019 In a small saucepan, add almond milk, agar agar powder and sugar and whisk.
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NBC News, "A light and refreshing summer dessert: Vegan Panna Cotta," 23 June 2019 Eventually, the genomes were sequenced by growing each individual bacterium on a separate agar plate, extracting the DNA, reading the DNA fragments in a sequencer and comparing the sequence with known Streptomyces strains.
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Smithsonian, "Soil From a Northern Ireland Graveyard May Lead Scientists to a Powerful New Antibiotic," 19 Dec. 2019 The agar was a kind of stage on which the experiment played out, where cells divided and bacteria and viruses interacted and changed each other.
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Eve Fairbanks, The New Republic, "The World in a World Cup," 5 July 2018 But the culture technique — agar in a petri dish – is technology from 1886.
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Sandy Bauers, Philly.com, "How high-tech genomics - and simple aspirin - could make your joint replacement better," 17 May 2018 Among the offerings: a large turkey leg, an alligator head and bowls of gelatinous agar that resemble consomme.
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Amina Khan, latimes.com, "A search for some of Earth’s most extreme creatures in the West Coast's deepest underwater canyon," 20 Apr. 2018 Perhaps the boldest scent is the oud Ombre Nomade, which is a Middle Eastern scent taken from the agar tree, the wood from which is some of the most expensive in the world.
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Shannon Barbour, The Cut, "Louis Vuitton Is Creating a Chocolate-Inspired Perfume," 26 Apr. 2018 Many of Boyd's desserts have a shiny layer on top, usually made from local produce set with agar.
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Kathleen Purvis, charlotteobserver, "There's something special about the desserts at these 4 Charlotte restaurants. Do you know the secret? | Charlotte Observer," 25 Apr. 2018
See MoreThese example sentences are selected automatically from various online news sources to reflect current usage of the word 'agar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for agar
agar
noun\ ˈäg-ər \
\Medical Definition of agar
1 : a gelatinous colloidal extract of a red alga (as of the genera Gelidium, Gracilaria, and Eucheuma) used especially in culture media or as a gelling and stabilizing agent in foods
2 : a culture medium containing agar
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Time Traveler for agar
The first known use of agar was in 1885
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