(hip säg′rə fē)
- the science of measuring the configuration of land or underwater surfaces with respect to a datum plane, as sea level
- the configuration of such surfaces; topographic relief
- the representation or description of relief features on a map or chart, as by tints, hachures, etc.
hypso- + -graphy
See hypsography in American Heritage Dictionary 4
noun pl. hyp·sog·ra·phies
a. The scientific study of the earth's topologic configuration above sea level, especially the measurement and mapping of land elevations.
b. A representation or description of the earth's topologic features above sea level, as on a map.
- hypˌso·graphˈic (hĭpˌsə-grăfˈĭk), hypˌso·graphˈi·cal adjective
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