Crossword clues for psychrometer
The Collaborative International Dictionary
Psychrometer \Psy*chrom"e*ter\, n. [Gr. psychro`s cold + -meter: cf. F. psychrom[`e]tre.] An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer.
Douglas Harper's Etymology Dictionary
"instrument to measure moisture in the atmosphere," 1749, from Latinized form of Greek psykhros "cold" + -meter.
Wiktionary
n. (context meteorology English) Any of several instruments used to measure the relative humidity of the atmosphere; especially a wet-and-dry-bulb hygrometer.
WordNet
n. a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air
Usage examples of "psychrometer".
Then he would go out to the instrument shelter and swing the psychrometer and tap the aneroid barograph with his fingernail.