Find Antonyms
planoconvex Antonyms
Opposite of planoconvex
Pinning down the opposite of planoconvex requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adjective definition and ranked by contrast strength.
• adjective (Context 1)
Flat on one side and curved outward on the other, typically referring to the surface profile of an optical lens.
Usage Example
"The optical instrument relies on a planoconcave lens to efficiently collimate the diverging light source."
Strongest
planoconcave
Strong
biconcave
Weak
biconvex
Cite this Entry
Wordmom. (2026). Antonyms for Planoconvex. In Wordmom Thesaurus. Retrieved Nov 7, 2026, from https://wordmom.com/antonyms/planoconvex