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agar

DEFINITIONS OF: agar

1

n a colloidal extract of algae; used especially in culture media and as a gelling agent in foods

Synonyms:
agar-agar
Type of:
gum
any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying

n any culture medium that uses agar as the gelling agent

Synonyms:
nutrient agar
Types:
blood agar
a culture medium containing whole blood as the nutrient
Type of:
culture medium, medium
(bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms
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