Webster's Revised Unabridged Dictionary · 1913

Colloid

Colloid , adjective

[Greek ko`lla glue + -oid. Compare Collodion.]

Resembling glue or jelly; characterized by a jellylike appearance; gelatinous; as, colloid tumors.

Colloid , noun

1.
(Physiology Chemistry) A substance (as albumin, gum, gelatin, etc.) which is of a gelatinous rather than a crystalline nature, and which diffuses itself through animal membranes or vegetable parchment more slowly than crystalloids do; -- opposed to crystalloid.
2.
(Medicine) A gelatinous substance found in colloid degeneration and colloid cancer.
Collocations (1)
Styptic colloid (Medicine) , a preparation of astringent and antiseptic substances with some colloid material, as collodion, for ready use.