Medical Dictionary
colloid
noun col·loid \ˈkäl-ˌȯid\
Medical Definition of COLLOID
1
: a gelatinous or mucinous substance found in tissues in disease or normally (as in the thyroid)
2
a : 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 membrane b : a mixture (as smoke) consisting of a colloid together with the medium in which it is dispersed
—col·loi·dal \kə-ˈlȯid-əl, kä-\ adjective
—col·loi·dal·ly \-əl-ē\ adverb
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