concavo-convex

adjective

con·​ca·​vo-con·​vex kän-ˈkā-vō-kän-ˈveks How to pronounce concavo-convex (audio)
kən-
1
: concave on one side and convex on the other
2
: having the concave side curved more than the convex
a concavo-convex lens

Word History

First Known Use

1676, in the meaning defined at sense 1

Time Traveler
The first known use of concavo-convex was in 1676

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Cite this Entry

“Concavo-convex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/concavo-convex. Accessed 8 Feb. 2026.

Medical Definition

concavo-convex

adjective
: concave on one side and convex on the other
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