hypsography | ความสูงต่ำของผิวโลก [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
hypsography | (n) the scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level) |
hypsometry | (n) measurement of the elevation of land above sea level, Syn. hypsography |