| Word | Definitions | Synonyms |
|---|---|---|
| hypsography | (noun) measurement of the elevation of land above sea level | Synonyms: hypsometry |
| (noun) the scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level) | - | |
| hypsometer | (noun) an altimeter that uses the boiling point of water to determine land elevation | - |
| hypsometry | (noun) measurement of the elevation of land above sea level | Synonyms: hypsography |