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Convex Meaning in English

word

ˈkɑnˌvɛks/, /kənˈvɛks
KAHN-vehks or kuhn-VEHKS
kɒnvˈɛks
kon-VEHKS

Definition

Having a surface or shape that curves outward, like the outside of a ball or a dome.

Usage & Nuances

'Convex' is mostly used in mathematics, science, and technical contexts, often paired with 'concave' (curving inward). Typical phrases: 'convex lens', 'convex mirror'. Not used for flat or indented shapes.

Example Sentences

The surface of a basketball is convex.

basic

A convex mirror allows you to see a wider area.

basic

The top of the dome is slightly convex.

basic

If a shape bulges outward, it's probably convex.

natural

The designer chose a convex pattern for the building’s roof to make it look more modern.

natural

You can tell the lens is convex because it’s thicker in the center than at the edges.

natural