hypsography
hyp·sog·raphy
noun
1.
the scientific study of the earth''s configuration above sea level (emphasizing the measurement of land altitudes relative to sea level)
Origin
From hypso- + -graphy.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.