| Word | Definitions | Synonyms |
|---|---|---|
| agar | (noun) a colloidal extract of algae; used especially in culture media and as a gelling agent in foods | Synonyms: agar-agar |
| (noun) any culture medium that uses agar as the gelling agent | Synonyms: nutrient agar | |
| agaric | (noun) a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside | - |
| (noun) fungus used in the preparation of punk for fuses | Synonyms: Fomes igniarius |