hypsography
— Noun
– English
~ measurement of the elevation of land above sea level
hypsography
— Noun
– English
~ the scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level)
hypsometer
— Noun
– English
~ an altimeter that uses the boiling point of water to determine land elevation
hypsometry
— Noun
– English
~ measurement of the elevation of land above sea level