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.
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"Concave" Quotes from Famous Books — Expositions Of Holy Scripture - Volume I: St. Luke, Chaps. I to XII • Alexander Maclaren — Primitive Love and Love-Stories • Henry Theophilus Finck — Trips to the Moon • Lucian — The Salmon Fishery of Penobscot Bay and River in 1895-96 • Hugh M. Smith — Young's Demonstrative Translation of Scientific Secrets • Daniel Young |
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