adj, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A stable system of two phases, one of which is dispersed in the other in the form of very small droplets or particles. physical
2. 2
   a mixture with properties between those of a solution and fine suspension wordnet
3. 3
   An intimate mixture of two substances, one of which, called the dispersed phase (or colloid), is uniformly distributed in a finely divided state throughout the second substance, called the dispersion medium (or dispersing medium).
4. 4
   A particle less than 1 micron in diameter, following the Wentworth scale

Adjective

1. 1
   Glue-like; gelatinous.

   "colloid tumours"

Synonyms

All synonyms

beat upchurnclabberclotcoagulatecombination

Antonyms

All antonyms

noncolloidsolution

Etymology

From French colloïde, from Ancient Greek κόλλα (kólla, “glue”) + -oid. Doublet of collage, collagen, and protocol.

Related phrases

solid solwentworth scale

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.