Meaning & use

concave

adjective·Academic

Last updated

Having a surface that curves inward, like the inside of a bowl.

See it in a sentence

The mirror's concave shape magnifies the reflection of anything held close to it.

A satellite dish has a concave surface that focuses signals onto a receiver.

A note on using this word

Easy to confuse with "convex," which curves outward; a helpful trick is that concave has a "cave" in it.

Words with a similar meaning

hollowcurved inward

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

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