Yahoo奇摩字典 網頁搜尋

登入
  1. 更多

搜尋結果

  1. Oxford American Dictionary

    polarizing filter

    • IPA[ˈpōləˌrīziNG ˈfiltər]
    • n.
      a photographic or optical filter that polarizes the light passing through it, used chiefly for reducing reflections and improving contrast. Two polarizing filters are often used together, such that rotation of one of them results in a neutral density filter of variable density.

    • noun: polarizing filter, plural noun: polarizing filters