Langimage
English

annuloid

|an-nu-loid|

C2

🇺🇸

/ˈæn.jə.lɔɪd/

🇬🇧

/ˈæn.jʊ.lɔɪd/

ring-shaped

Etymology
Etymology Information

'annuloid' originates from Latin and Greek: Latin 'annulus' meaning 'ring' combined with the Greek-derived suffix '-oid' from 'eidos' meaning 'form' or 'shape'.

Historical Evolution

'annulus' (Latin, 'ring') was used in New Latin and scientific coinages; the combining form plus the Greek-derived suffix '-oid' produced 'annuloid' in English scientific/technical usage.

Meaning Changes

Initially it meant 'having the form of a ring' and this core meaning has been retained in modern technical and descriptive usage.

Meanings by Part of Speech

Noun 1

a ring-shaped object or structure; something that is annular in form.

The fossil contained a distinct annuloid surrounding the central cavity.

Synonyms

Antonyms

Adjective 1

having the shape or form of a ring; ring-shaped or annular.

The specimen displayed annuloid segments along its body.

Synonyms

Antonyms

Last updated: 2025/08/16 23:36