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Added 1 October 2026

convex

/ˈkɒn.vɛks/ adjective

In Latin: convexus Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about convex at Wordnik → Where our words come from →

Curved or bowed outward like the outside of a bowl, circle, or sphere.
having an epigraph that is a convex set.
having no internal angles greater than 180 degrees.

noun

Any convex body or surface.
A playing card made convex for use in cheating.
A small convex mirror used to cheat by observing other players' cards.

verb

To form a convex curve or surface; to become convex.
To cause to form a convex curve or surface; to make convex.
To circulate or cause to circulate in a curved path; to cause or exhibit convection.

Origin

Borrowed from Middle French convexe, from Latin convexus (“arched”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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