COLLOID • FREE TRANSLATOR.ORG • Definition of Colloid

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noun

Colloid n.

(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.

(Med.) A gelatinous substance found in colloid degeneration and colloid cancer.

Styptic colloid (Med.), a preparation of astringent and antiseptic substances with some colloid material, as collodion, for ready use.

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Etymology of 'Colloid'

Collaborative International Dictionary of English 0.48

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"Colloid" Quotes from Famous Books

... change noted in the epidermis is thought to be an acanthosis, followed by epithelial atrophy, and a hyperkeratosis, intercellular edema, and colloid degeneration of the ...

— Essentials of Diseases of the Skin • Henry Weightman Stelwagon

... said Pirolo from behind, and to my horror slipped over my head some sort of rubber helmet that locked with a snap. I could feel thick colloid bosses before my eyes, but ...

— A Diversity of Creatures • Rudyard Kipling

... matter into the crystalloid and the colloidal states, for many substances are capable of existing in either. When in the colloidal state, their sensible properties are very different from those of the same substance when crystallized, or when in a state easily susceptible of crystallization. Colloid substances pass with extreme difficulty and slowness into the crystalline state, and are extremely inert in all the ordinary chemical relations. Substances in the colloid state are almost always, when combined with water, more ...

— A System Of Logic, Ratiocinative And Inductive • John Stuart Mill

... acid (H{2}SiO{3}), is a matter that is still debatable. It is certain, however, that the gelatinous material which readily separates from such solutions is of the nature of a hydrogel, that is, a colloid which is insoluble in water. This substance when heated to 100 deg.C., or higher, is completely dehydrated, leaving only the anhydride, SiO{2}. The changes may ...

— An Introductory Course of Quantitative Chemical Analysis - With Explanatory Notes • Henry P. Talbot

... disintegration, that we have been taught to look upon with proper awe and reverence as radium. And we are told that nebulae wander until they collide and give birth to stars, stars wander and collide and give birth to nebulae. Life begins as a quivering colloid, goes on painfully to build a brain, which automatically refines itself to the point of discovering and using the most efficient methods of destroying others, and by a ...

— The Glands Regulating Personality • Louis Berman, M.D.

Words linked to "Colloid" : dispersed particles, emulsion, colloidal suspension, colloidal, colloidal solution, mixture, silver protein, dispersed phase, colloidal gel, gel