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  1. Oxford Dictionary

    apochromat

    • IPA[ˌapəˈkrəʊmat]

    英式

    • n.
      a lens or lens system that reduces spherical and chromatic aberration.

    • noun: apochromat, plural noun: apochromats

    • 更多解釋

    apochromat

    • IPA[ˌapəˈkrōmat]

    美式

    • n.
      a lens or lens system that reduces spherical and chromatic aberration.

    Oxford American Dictionary