Webster's Revised Unabridged Dictionary · 1913

Plano-concave

Plano-concave , adjective

[Plano- + concave.]

Plane or flat on one side, and concave on the other; as, a plano-concave lens. See Lens.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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