Yahoo香港字典 搜尋

  1. concavity

    • IPA[kɒnˈkavɪti]

    英式

    • n.
      the state or quality of being concave;a concave surface or thing
    • noun: concavity, plural noun: concavities

    • 釋義

    名詞

    • 1. the state or quality of being concave the concavity of her stomach
    • a concave surface or thing the spaces are hollowed out to form concavities