planoconvex

P3L1A1N1O1C3O1N1V4E1X8

adjective

Having one side plane and the other convex.

Similar
convexoplaneconvexbulging
First used 17th c.Scrabble 25
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Meanings

adjectiveplanoconvex (not comparable)
  1. not comparableengineeringHaving one side plane and the other convex.First known use 17th c.

    I place my Microscope, and then so place either a round Globe of Water, or a very deep clear plano convex Glass (whose convex side is turn'd towards the Window) that there is a great quantity of Rayes collected and thrown upon the Object […].

    1665, Robert Hooke, Micrographia

    Synonyms: convexoplane

Synonyms & antonyms

adjectiveHaving one side plane and the other convex.

Similar
convexoplane

More synonyms by meaning

adjectiveflat on one side and convex on the other

Similar
convexbulging

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From plano- + convex.

Full word history & related roots →
Cite this entry
APA

planoconvex. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/planoconvex

MLA

“planoconvex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/planoconvex. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “planoconvex,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/planoconvex.

Source: planoconvex on Wiktionary, CC BY-SA 4.0.