Colloid

·noun A gelatinous substance found in colloid degeneration and colloid cancer.

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

III. Colloid ·noun 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.