adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Having one side plane and the other concave not-comparable

Adjective

1. 1
   flat on one side and concave on the other wordnet

Synonyms

All synonyms

concave

Etymology

From plano- + concave.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.