- (esp of a lens) having both sides concave; biconcave
单词 | concavo-concave |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 con•ca•vo-con•cave (kon kā′vō kon kāv′),USA pronunciation adj.
Collins Concise English Dictionary © HarperCollins Publishers:: concavo-concave /kɒnˌkeɪvəʊkɒnˈkeɪv/ adj
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