concave
concave-convex concave-convex lens Concave function (concavity) concave lens concave mirror concavely concaveness concavity concavo-concave concavo-convex conceal concealable concealer concealment concede concededly conceder conceit conceited conceitedly conceitedness conceivability conceivable conceivableness conceivably conceive conceiver concentrate concentrated |
concave /'kɔn'keiv/
tính từ
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