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• agar
  agar

  noun

  Also agar-agar. 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.
• Agar
  Agar

  noun

  Hagar.

agar

¹ American  

[ah-gahr, ag-er] / ˈɑ gɑr, ˈæg ər /

noun

1. Also called Japanese isinglass, Japanese gelatin, Chinese gelatin, Chinese isinglass. Also agar-agar. 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.

2. Biology. a culture medium having an agar base.

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Agar ² American  

[ay-gahr] / ˈeɪ gɑr /

noun

Douay Bible.

1. Hagar.

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agar British  

/ ˈeɪɡə /

noun

1. Also called: agar-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

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agar Scientific  

/ ā′gär′,ä′gär′ /

1. 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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Etymology

Origin of agar

First recorded in 1885–90, agar is from the Malay word agaragar seaweed from which a gelatin is rendered, or the gelatin itself

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Example Sentences

See Examples For:

agar Agar

They developed a straightforward experimental setup in which a microbial colony, a form of biofilm, was grown on agar and directly pressed onto an electrode to assess its electrical conductivity.

From Science Daily ● Feb. 29, 2024

The use of organ agar has multiple potential benefits, explains Pearson.

From Science Daily ● Nov. 30, 2023

Limoncello “pearls” created with the help of lemon and agar agar.

From Washington Post ● Jan. 24, 2023

Chloe swabs parts of her body, or plants, and transfers the samples to petri dishes with a special growth medium inside called agar.

From BBC ● Oct. 3, 2022

We can imagine them, curious and dispassionate, observing us, as we would watch a bacterial culture in a dish of agar, to determine whether, this year again, we manage to avoid self- destruction.

From "Cosmos" by Carl Sagan

As a result, Yingchao has been visiting the Agar Children's Centre's stay-and-play sessions with her now three-month-old baby.

From BBC ● Mar. 19, 2026

Even the late Queen Elizabeth spoke to Agar about it.

From BBC ● Nov. 18, 2025

Agar only played two Ashes Tests, yet has his own place in the story of cricket's greatest rivalry.

From BBC ● Nov. 18, 2025

"It was huge because it was so unexpected," Agar says.

From BBC ● Nov. 18, 2025

“Dr. Agar is organizing a group called STOP.”

From "The Lions of Little Rock" by Kristin Levine

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