psychrometer

psy·chrom·e·ter  (s-krm-tr)

n.

An instrument that uses the difference in readings between two thermometers, one having a wet bulb and the other having a dry bulb, to measure the moisture content or relative humidity of air.

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psychrometer  (s-krm-tr)

See under hygrometer.

Thesaurus

Noun

1.

psychrometer - a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air dry-bulb thermometer - an ordinary thermometer with a dry bulb; used to measure the air temperature hygrometer - measuring instrument for measuring the relative humidity of the atmosphere wet-bulb thermometer - a thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity