Agar-a'gar

Chambers's Encyclopaedia, Volume 1: A to Beaufort, p. 90

Agar-a'gar, the dried sliced stem of a sea-weed, used in cookery under the name of Bengal or Japan isinglass. It resembles gelatine, but when made into jelly is less easily liquefied by heat, and is therefore much employed in the cultivation of microscopic fungi. See BACTERIA, GERM THEORY.

Source scan(s): p. 0105