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Colloid | Colloid \Col"loid\, n. 1. (Physiol. Chem.) 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. [1913 Webster] 2. (Med.) A gelatinous substance found in colloid degeneration and colloid cancer. [1913 Webster] {Styptic colloid} (Med.), a preparation of astringent and antiseptic substances with some colloid material, as collodion, for ready use. [1913 Webster] |
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