-oid

CIDE DICTIONARY

-oid, suff. [Gr. , fr. e'i^dos form, akin to to see, and E. wit: cf. F. -oïde, L. -oïdes.].

A suffix or combining form meaning like, resembling, in the form of; as in anthropoid, asteroid, spheroid. [1913 Webster]

-oid, suffix forming adjectives and nouns, denoting form or resemblance (asteroid; rhomboid; thyroid).

Derivative

-oidal suffix forming adjectives. -oidally suffix forming adverbs.

Etymology

mod.L -oides f. Gk -oeides f. eidos form