Also called Japanese isinglass. Also called Japanese gelatin. Also called Chinese gelatin. Also called 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.
Biology. a culture medium having an agar base.
First recorded in 1885–90, agar is from the Malay word agaragar seaweed from which a gelatin is rendered, or the gelatin itself
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Then using organ agar made from the mouse urinary tract, she confirmed that ABC transporters were essential for infection.
From Science Daily ● May 3, 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
"The main training session was two days before the first Test," says Agar.
From BBC ● Nov. 18, 2025
The 98 Agar swaggered his way to on the second day in Nottingham remains the highest score by a number 11 in Test cricket.
From BBC ● Nov. 18, 2025
For Agar to be in that pub in Worcester was the result of a chaotic time in Australian cricket history.
From BBC ● Nov. 18, 2025
After two games in the Sheffield Shield, Agar came within a whisker of making his Australia bow on an awful tour of India.
From BBC ● Nov. 18, 2025
When I got home from school that afternoon, both of my parents were sitting in the living room with Dr. Agar and Miss Winthrop.
From "The Lions of Little Rock" by Kristin Levine
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
