Crossword clue: plane or flat on one side, and convex on the other; as, a plano-convex lens. see convex, and lens.

The most common answer is planoconvex (11 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

planoconvex 11 letters web-def

flat on one side and convex on the other

flat on one side and convex on the other 56% similar → planoconvex

plane or flat on one side, and spherical on the other. 50% similar → planoorbicular