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单词 biconcave
释义

WordReference Random House Unabridged Dictionary of American English © 2024
bi•con•cave  (bī konkāv, bī′kon kāv),USA pronunciation adj. 
  1. Mathematics, Opticsconcave on both sides, as a lens. See diag. under lens. 
  • 1825–35; bi-1 + concave
bi•con•cav•i•ty  (bī′kən kavi tē),USA pronunciation n. 
Collins Concise English Dictionary © HarperCollins Publishers::
biconcave /baɪˈkɒnkeɪv; ˌbaɪkɒnˈkeɪv/ adj
  1. (of a lens) having concave faces on both sides; concavo-concave
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