Bible Dictionaries
Thermobarometer

Webster's Dictionary

(1):

(n.) A siphon barometer adapted to be used also as a thermometer.

(2):

(n.) An instrument for determining altitudes by the boiling point of water.

Bibliography Information
Webster, Noah. Entry for 'Thermobarometer'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/thermobarometer.html. 1828.