Crossword clue: convex on one side, and flat on the other; plano-convex.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
Convex on one side, and flat on the other; plano-convex.
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Similar clues
plane or flat on one side, and convex on the other; as, a plano-convex lens. see convex, and lens.
67% similar
→ planoconvex
plane or flat on one side, and concave on the other; as, a plano-concave lens. see lens.
50% similar
→ planoconcave