Found 2 items, similar to Psychrometer.
English → English (WordNet) Definition: psychrometer psychrometer n : a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air
English → English (gcide) Definition: Psychrometer 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. [1913 Webster]