An instrument for measuring the luminance (brightness) or illuminance (illumination) of a surface.
| 单词 | θ80360 |
| 释义 | the world > matter > light > illumination > [noun] > instrument for measuring (2) luxmeter1910 An instrument for measuring the luminance (brightness) or illuminance (illumination) of a surface. lumeter1911 = luxmeter, n. |
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