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selenodesy

American

[sel-uh-nod-uh-see] / ˌsɛl əˈnɒd ə si /

noun

the branch of astronomy that deals with the measurement of the moon's surface and its gravitational field.

Other Word Forms

selenodesist noun

Etymology

Origin of selenodesy

First recorded in 1960–65; seleno- + (geo)desy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.