Bible Dictionaries
Plano-Convex

Webster's Dictionary

(a.) Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.

Bibliography Information
Webster, Noah. Entry for 'Plano-Convex'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/plano-convex.html. 1828.