Bible Dictionaries
Psychrometer

Webster's Dictionary

(n.) An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer.

Bibliography Information
Webster, Noah. Entry for 'Psychrometer'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/psychrometer.html. 1828.