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单词 double-concave
释义

concave /konˈkāv or kon-kāvˈ/

adjective

Curved inwards, opp to convex

noun
  1. A hollow
  2. An arch or vault
transitive verb and intransitive verb

To make or become hollow

ORIGIN: L concavus, from con-, intens, and cavus hollow; see cave1

conˈcavely (or /-kāvˈ/) adverb

concavity /kən-kavˈi-ti/ noun

  1. The quality of being concave
  2. A hollow

concāˈvō-conˈcave or doubˈle-conˈcave adjective

(both also /-kon-kāvˈ/) concave on both sides

concāˈvō-conˈvex (or /-kon-veksˈ/) adjective

Concave on one side, and convex on the other

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更新时间:2024/12/23 8:53:57