英语词汇“plano-concave”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	plano-concave
释义	ˌplano-ˈconcave, a. [f. plano-¹ + concave.] Having one surface plane and the opposite one concave, as a lens. 1693E. Halley in Phil. Trans. XVII. 961 Whether the Lens be..Plano-Convex or Plano-Concave.1807Herschel ibid. XCVII. 183 The plain side of a plano-concave, or plano-convex lens.1881Le Conte Sight 34 And one with excess of dispersive over refractive power for our plano-concave lens.
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