Definition of agar in English:

agar

Line breaks: agar
Pronunciation: /ˈeɪgɑː
 
/
(also agar-agar /eɪgɑːrˈeɪgɑː/)

noun

[mass noun]
  • A gelatinous substance obtained from certain red seaweeds and used in biological culture media and as a thickener in foods.
    More example sentences
    • The gelatinizing agent was a Japanese seaweed called agar-agar, commonly found in organic stores.
    • To study these bacteria he grew them in glass Petri dishes on a substance called agar, in his laboratory.
    • Precipitation of a peptide in the top agar with subsequent release of amino acids can also lead to confounding results.

Origin

early 19th century: from Malay.

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