- colloid substance
- a jelly-like material formed in colloid degeneration.
Medical dictionary. 2011.
colloid substance
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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;… … The Collaborative International Dictionary of English
colloid — [käl′oid΄] n. [< Gr kolla, glue + OID; coined by T. Graham (1805 69), Scot chemist] 1. a) a solid, liquid, or gaseous substance made up of very small, insoluble particles (as single large molecules or masses of smaller molecules) that remain… … English World dictionary
colloid — ► NOUN 1) a homogeneous substance consisting of submicroscopic particles of one substance dispersed in another, as in an emulsion or gel. 2) a gelatinous substance. DERIVATIVES colloidal adjective. ORIGIN from Greek kolla glue … English terms dictionary
Colloid — Milk is an emulsified colloid of liquid butterfat globules dispersed within a water based solution. A colloid is a substance microscopically dispersed evenly throughout another substance.[1] A colloidal system consists of two separate phases: a… … Wikipedia
colloid — 1. Aggregates of atoms or molecules in a finely divided state (submicroscopic), dispersed in a gaseous, liquid, or solid medium, and resisting sedimentation, diffusion, and filtration, thus differing from precipitates. SEE ALSO: hydrocolloid … Medical dictionary
colloid — noun Etymology: International Scientific Vocabulary coll + oid Date: circa 1852 1. a gelatinous or mucinous substance found normally in the thyroid and also in diseased tissue 2. a. a substance that consists of particles dispersed … New Collegiate Dictionary
colloid — /kol oyd/, n. 1. Physical Chem. a substance made up of a system of particles with linear dimensions in the range of about 10 7 to 5 × 10 5 cm dispersed in a continuous gaseous, liquid, or solid medium whose properties depend on the large specific … Universalium
colloid chemistry — noun 1. : the branch of chemistry that deals with colloids and colloidal phenomena 2. : the branch of chemistry that deals with surface and large molecular particles * * * the study of colloids. * * * colloid chemistry, the study of particles of… … Useful english dictionary
colloid — [ kɒlɔɪd] noun a homogeneous non crystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed in a second substance, as in gels, sols, and emulsions. ↘Anatomy & Medicine a substance of gelatinous… … English new terms dictionary
colloid — n. 1 Chem. a a substance consisting of ultramicroscopic particles. b a mixture of such a substance uniformly dispersed through a second substance esp. to form a viscous solution. 2 Med. a substance of a homogeneous gelatinous consistency.… … Useful english dictionary
