Concavity
[kon-kav-i-tee] /kɒnˈkæv ɪ ti/
noun, plural concavities for 2.
1.
the state or quality of being .
2.
a surface or thing; cavity.
/kɒnˈkævɪtɪ/
noun (pl) -ties
1.
the state or quality of being concave
2.
a concave surface or thing; cavity
n.
c.1400, from Old French concavité “hollow, concavity” (14c.) or directly from Latin concavitatem (nominative concavitas), from Latin concavus “hollow” (see concave).
concavity con·cav·i·ty (kŏn-kāv’ĭ-tē)
n.
A hollow or depression that is curved like the inner surface of a sphere.
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[kon-key-voh-kon-veks] /kɒnˈkeɪ voʊ kɒnˈvɛks/ adjective 1. Also, convexo-concave. concave on one side and convex on the other. 2. Optics. pertaining to or noting a lens in which the concave face has a greater degree of curvature than the convex face. adjective 1. having one side concave and the other side convex 2. (of a lens) […]
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[kuh n-seel] /kənˈsil/ verb (used with object) 1. to hide; withdraw or remove from observation; cover or keep from sight: He concealed the gun under his coat. 2. to keep secret; to prevent or avoid disclosing or divulging: to conceal one’s identity by using a false name. /kənˈsiːl/ verb (transitive) 1. to keep from discovery; […]