psy·chrom·e·ter (s -kr m  -t r)n. An instrument that uses the difference in readings between thermometers specialized to measure the moisture content or relative humidity of air. |
psychrometer
[sīkrom′ətər]
an instrument for calculating the degree of humidity in the atmosphere by comparing the temperatures of two thermometers, one with a wet bulb, one dry. The difference in temperature between the two thermometers indicates the relative humidity.
psychrometer
an instrument for measuring the moisture of the atmosphere.
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