- an instrument for measuring the intensity of radiation, esp of the sun's rays
单词 | actinometer |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 ac•ti•nom•e•ter (ak′tə nom′i tər),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: actinometer /ˌæktɪˈnɒmɪtə/ n
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