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more about concave
concave |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Concave \Con"cave\ (k[o^][ng]*k[=a]*v" or k[o^]n"-; 277), a. [L. concavus; con- + cavus hollow: cf F. concave. See {Cave} a hollow.] 1. Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line as of the curve of the of the inner surface of an eggshell, in opposition to {convex}; as a concave mirror; the concave arch of the sky. 2. Hollow; void of contents. [R.] As concave . . . as a worm-eaten nut. --Shak. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Concave \Con"cave\, n. [L. concavum.] 1. A hollow; an arched vault; a cavity; a recess. Up to the fiery concave towering hight. --Milton. 2. (Mech.) A curved sheath or breasting for a revolving cylinder or roll. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Concave \Con"cave\, v. t. [imp. & p. p. {concaved}; p. pr & vb n. {Concaving}.] To make hollow or concave. From WordNet r 1.6 [wn]: concave adj : curving inward [ant: {convex}]
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