PLANOCONVEX
planoconvex
(adjective) flat on one side and convex on the other
Source: WordNet® 3.1
Etymology
Adjective
planoconvex (not comparable)
(optics, of a lens) Having one side plane and the other convex. [from 17th c.]
Synonyms
• convexoplane
Source: Wiktionary
Pla"no-con"vex, a. Etym: [Plano- + convex.]
Definition: Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.
Source: Webster’s Unabridged Dictionary 1913 Edition
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