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actinometer

/.ækti'nɒmitә/

📖 中文释义

  1. n. 光化线强度计, 日射强度表, 曝光计
  2. [化] 光能测定仪; 露光计; 化学光度计
📘 English Definition(英文释义)
  1. n. an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)