adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Having both sides that are concave. not-comparable

   "a biconcave lens"

Adjective

1. 1
   concave on both sides wordnet

Synonyms

All synonyms

aspheric biconcave lensbisconcaveconcave lensconcavo-concavecrescentdouble concave

Antonyms

All antonyms

biconvexconvex

Etymology

From bi- + concave.