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colloid

play
noun col·loid \ˈkä-ˌlȯid\

Definition of colloid

  1. 1 :  a gelatinous or mucinous substance found normally in the thyroid and also in diseased tissue

  2. 2 a :  a substance that consists of particles dispersed throughout another substance which are too small for resolution with an ordinary light microscope but are incapable of passing through a semipermeable membrane b :  a mixture consisting of a colloid together with the medium in which it is dispersed <smoke is a colloid>

col·loi·dal play \kə-ˈlȯi-dəl, kä-\ adjective
col·loi·dal·ly adverb


Origin of colloid

International Scientific Vocabulary coll- + -oid


First Known Use: circa 1852


Medical Dictionary

colloid

play
noun col·loid \ˈkäl-ˌȯid\

Medical Definition of colloid

  1. 1:  a gelatinous or mucinous substance found in tissues in disease or normally (as in the thyroid)

  2. 2a:  a substance consisting of particles that are dispersed throughout another substance and are too small for resolution with an ordinary light microscope but are incapable of passing through a semipermeable membraneb:  a mixture (as smoke) consisting of a colloid together with the medium in which it is dispersed

  3. col·loi·dal \kə-ˈlȯid-əl, kä-\play adjective
    col·loi·dal·ly \-əl-ē\play adverb




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