- Aggregates of atoms or molecules in a finely divided state (submicroscopic), dispersed in a gaseous, liquid, or solid medium, and resisting sedimentation, diffusion, and filtration, thus differing from precipitates.
- A translucent, yellowish, homogeneous material of the consistency of glue, less fluid than mucoid or mucinoid, found in the cells and tissues in a state of colloid degeneration.
- The stored secretion within follicles of the thyroid gland. For individual colloids not listed below, see the specific name.
[G. kolla, glue, + eidos, appearance]
See Also: hydrocolloid