Definify.com
Webster 1913 Edition
Isinglass
I′sin-glass
,Noun.
1.
A semitransparent, whitish, and very pure form of gelatin, chiefly prepared from the sounds or air bladders of various species of sturgeons (as the
Acipenser huso
) found in the rivers of Western Russia. It used for making jellies, as a clarifier, etc. Cheaper forms of gelatin are not unfrequently so called. Called also fish glue
. 2.
(Min.)
A popular name for mica, especially when in thin sheets.
Webster 1828 Edition
Isinglass
I'SINGLASS
,Noun.
A substance consisting chiefly of gelatin, of a firm texture and whitish color, prepared from the sounds or air-bladders of certain fresh water fishes, particularly of the huso, a fish of the sturgeon kind, found in the rivers of Russia. It is used as an agglutinant and in fining wines.