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Meaning of COLLOID

Pronunciation:  'kâloyd

WordNet Dictionary
  1. [n]  a mixture with properties between those of a solution and fine suspension
  2. [adj]  of or relating to or having the properties of a colloid

COLLOID is a 7 letter word that starts with C.


 Synonyms: colloidal
 See Also: colloidal gel, colloidal solution, colloidal suspension, emulsion, gel, mixture, silica gel, silver protein, sol



Webster's 1913 Dictionary
  1. \Col"loid\, a. [Gr. ko`lla glue + -oid. Cf.
    Resembling glue or jelly; characterized by a jellylike
    appearance; gelatinous; as, colloid tumors.
  2. \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.
    2. (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.
Biology Dictionary
 Definition: Microscopic particles suspended in some sort of liquid medium. The particles are between one nanometer and one micrometer in size and can be macromolecules.