selenodesy

[sel-uh-nod-uh-see]

noun

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

Origin of selenodesy

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

Related formssel·e·nod·e·sist, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018