Bible Dictionaries
Hypsometer

Webster's Dictionary

(n.) An instrument for measuring heights by observation of barometric pressure; esp., one for determining heights by ascertaining the boiling point of water. It consists of a vessel for water, with a lamp for heating it, and an inclosed thermometer for showing the temperature of ebullition.

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