Definitions for "Agar-agar"
A fucus or seaweed much used in the East for soups and jellies; Ceylon moss (Gracilaria lichenoides).
A gelatinlike substance, or a solution of it, prepared from certain seaweeds containing gelose (such as Ceylon moss, Gracilaria lichenoides or other seaweeds of the genera Gelidium, Ceramium, Pterocladia, and Eucheuma), and used for solidifying growth media in the artificial cultivation of bacteria, or as a gelling agent in foods; -- usually called simply agar, by abbreviation.
A seaweed based vegetarian alternative to gelatine, used as a stabiliser or thickener.