| Hypsometer (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. Thesaurus Entries altimeter, bathymetry, biometrics, biometry, cadastration, cartography, chorography, craniometry, geodesy, geodetics, goniometry, hypsography, hypsometer, hypsometry, mensuration, metrology, oceanography, planimetry, psychometrics, psychometry, stereometry, surveying, topography | ![]() |