biconcave

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Having both sides that are concave. not-comparable
    — a biconcave lens

词汇关系

反义词
biconvex

词源

Etymology tree
Proto-Indo-European *dwóh₁
Proto-Indo-European *dwi-
Proto-Italic *dwi-
Latin bi-bor.
English bi-
English concave
English biconcave
From bi- + concave.
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