[ 'kɒlɔɪd ]
■ noun a homogeneous non-crystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed in a second substance, as in gels, sols, and emulsions.
↘ Anatomy & Medicine a substance of gelatinous consistency.
Derivatives
~al adjective
Origin
C19: from Gk kolla 'glue' + -oid .