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Definisi 'photometer'
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English to English noun
| 1 |
measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source |  | source: wordnet30
| 2 |
photographic equipment that measures the intensity of light | | source: wordnet30
| 3 |
An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power. | | source: webster1913
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