Definition of Gelatene
Gel"a*tin, Gel"a*tine (&?;),
n. [F. gélatine, fr. L. gelare
to congeal. See Geal.] (Chem.) Animal jelly;
glutinous material obtained from animal tissues by prolonged boiling.
Specifically (Physiol. Chem.), a nitrogeneous colloid, not
existing as such in the animal body, but formed by the hydrating
action of boiling water on the collagen of various kinds of
connective tissue (as tendons, bones, ligaments, etc.). Its
distinguishing character is that of dissolving in hot water, and
forming a jelly on cooling. It is an important ingredient of calf's-
foot jelly, isinglass, glue, etc. It is used as food, but its
nutritious qualities are of a low order.
&fist; Both spellings, gelatin and gelatine, are in
good use, but the tendency of writers on physiological chemistry
favors the form in -in, as in the United States Dispensatory,
the United States Pharmacopœia, Fownes' Watts' Chemistry,
Brande & Cox's Dictionary.
Blasting gelatin, an explosive, containing
about ninety-five parts of nitroglycerin and five of collodion.
-- Gelatin process, a name applied to a number
of processes in the arts, involving the use of gelatin.
Especially: (a) (Photog.) A dry-plate
process in which gelatin is used as a substitute for collodion as the
sensitized material. This is the dry-plate process in general use,
and plates of extreme sensitiveness are produced by it.
(b) (Print.) A method of producing
photographic copies of drawings, engravings, printed pages, etc., and
also of photographic pictures, which can be printed from in a press
with ink, or (in some applications of the process) which can be used
as the molds of stereotype or electrotype plates.
(c) (Print. or Copying) A method of
producing facsimile copies of an original, written or drawn in
aniline ink upon paper, thence transferred to a cake of gelatin
softened with glycerin, from which impressions are taken upon
ordinary paper. -- Vegetable gelatin. See
Gliadin.
Gel"a*tine (?), n. Same as
Gelatin.
- Webster's Unabridged Dictionary (1913)
- a protein derived through partial hydrolysis of the collagen extracted from animal skin, bones, cartilage, ligaments, etc.
- an edible jelly made from this material
- a thin, translucent membrane used for theatrical lighting effects
Gelatine - The Nuttall Encyclopedia
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