| 单词 | photometer |
| 释义 | photometer (once / 108435 pages) n WORD FAMILY photometer: microphotometer, photometers USAGE EXAMPLESThe orbiting telescope’s photometer is able to detect that change. Time(Aug 29, 2012) This is a quantity almost imperceptible in the most delicate photometer. Gore, J. Ellard, Astronomical Curiosities—Facts and...(2012) The photometer or instrument for accurate comparison of lights, their amount and intensity, tells a different story. Todd, David Peck, Astronomy: The Science of the Heave...(2012) 1n photographic equipment that measures the intensity of light Syn|Hypo|Hyper exposure meter, light meter cytophotometer a photometer that can be used to locate and identify chemical compounds in a cell by measuring the intensity of the light that passes through stained sections of the cytoplasm photographic equipment equipment used by a photographer 2n measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source Hypo|Hyper spectrophotometer a photometer for comparing two light radiations wavelength by wavelength measuring device, measuring instrument, measuring system instrument that shows the extent or amount or quantity or degree of something |
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