Definition of -oid in English:

-oid

suffix

Forming adjectives and nouns:
1 Zoology Denoting an animal belonging to a higher taxon with a name ending in -oidea: hominoid percoid
2Denoting form or resemblance: asteroid rhomboid

Origin

from modern Latin -oides, from Greek -oeidēs; related to eidos 'form'.

Derivatives

-oidal

suffix
Forming corresponding adjectives.

-oidally

suffix
Forming corresponding adverbs.

Definition of -oid in:

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Word of the day fungible
Pronunciation: ˈfənjəbəl
adjective
mutually interchangeable...