colloidal
UK[kəˈlɔɪd(ə)l]US[kəˈlɔɪd(ə)l]
adj
Of, relating to, or having the properties of a colloid.
Morpheme Breakdown
colloid
al
colloid
colloid
al
adjective suffix
Etymology
The term 'colloidal' is built upon the noun 'colloid', coined by the Scottish chemist Thomas Graham in the 1860s. Graham derived 'colloid' from the Greek word 'kolla', meaning 'glue', and the suffix '-oeidēs', meaning 'having the form of'. This naming reflects the original observation that substances like gelatin and glue, which form viscous, glue-like solutions, exhibited unique diffusion properties distinct from crystalline substances. The adjective suffix '-al', of Latin origin, is then appended to form 'colloidal', creating a word that describes anything pertaining to or having the nature of these glue-like, non-crystalline dispersions.
Analysis
Structure: colloid (colloid) + al (adjective suffix)
- colloid: From Greek 'kolla' (glue) + '-oeidēs' (form, appearance). The morpheme 'colloid' functions as the base noun.
- al: A suffix of Latin origin forming adjectives meaning 'of, relating to, or characterized by'.
Examples
The scientist prepared a colloidal suspension of gold particles.
Colloidal silver is sometimes marketed as an alternative health remedy.
The stability of the colloidal system was affected by changes in pH.