Altimetry

(n.) The art of measuring altitudes, or heights.

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