planoconvex

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Having one side plane and the other convex. not-comparable
    — I place my Microscope, and then so place either a round Globe of Water, or a very deep clear plano convex Glass (whose convex side is turn'd towards the Window) that there is a great quantity of Rayes collected and thrown upon the Object […].

词源

From plano- + convex.
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