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colloid

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
col·loid  (kloid)
n.
1. Chemistry
a. A system in which finely divided particles, which are approximately 10 to 10,000 angstroms in size, are dispersed within a continuous medium in a manner that prevents them from being filtered easily or settled rapidly.
b. The particulate matter so dispersed.
2. Physiology The gelatinous product of the thyroid gland, consisting mainly of thyroglobulin, which serves as the precursor and storage form of thyroid hormone.
3. Pathology Gelatinous material resulting from colloid degeneration in diseased tissue.
adj.
Of, relating to, containing, or having the nature of a colloid.
col·loidal (k-loidl, k-) adj.
col·loidal·ly adv.
colloid
Noun
a mixture of particles of one substance suspended in a different substance [Greek kolla glue]
colloidal adj
colloid  (kloid)
A mixture in which very small particles of one substance are distributed evenly throughout another substance. The particles are generally larger than those in a solution, and smaller than those in a suspension. Paints, milk, and fog are colloids. Compare solutionsuspension
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.colloid - a mixture with properties between those of a solution and fine suspension
silver protein - a colloid preparation of protein (albumin or gelatin) and silver oxide; used in aqueous solution as an antibacterial agent
mixture - (chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
dispersed particles, dispersed phase - (of colloids) a substance in the colloidal state
dispersing medium, dispersing phase, dispersion medium - (of colloids) a substance in which another is colloidally dispersed
colloidal gel, gel - a colloid in a more solid form than a sol
colloidal solution, colloidal suspension, sol - a colloid that has a continuous liquid phase in which a solid is suspended in a liquid
emulsion - (chemistry) a colloid in which both phases are liquids; "an oil-in-water emulsion"
silica gel - a porous form of silica that is highly absorbent


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Captain Hodgson opens the great colloid underbody porthole through which I watch over-lighted London slide eastward as the gale gets hold of us.
Actions and Reactions by Kipling, Rudyard View in context
Lloyd's discovery of the "death bacillus" of the sea toad, and his experiments on it with potassium cyanide, sent his name and that of his university ringing round the world; nor was Paul a whit behind when he succeeded in producing laboratory colloids exhibiting amoeba-like activities, and when he cast new light upon the processes of fertilization through his startling experiments with simple sodium chlorides and magnesium solutions on low forms of marine life.
Moon-Face and Other Stories by London, Jack View in context
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