agar

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun any culture medium that uses agar as the gelling agent
noun a colloidal extract of algae; used especially in culture media and as a gelling agent in foods

From Malay agar (“jelly”) or agar-agar.

Dined at Lady Georgiana and Mr. Agar Ellis's. — The Journal of Sir Walter Scott: From the Original Manuscript at Abbotsford, Walter Scott
Agar, 965, 970, 973, 1223, 1249, 1265, 1446. — The Story of Genesis and Exodus: An Early English Song, about 1250 A.D., Unknown
The children of Agar, the merchants of Meran, none of these have known its way." — Apologia pro vita sua : $b being a history of his religious opinions, John Henry Newman

nutrient agar

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