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selenodesy

[ sel-uh-nod-uh-see ]
/ ˌsɛl əˈnɒd ə si /
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noun
the branch of astronomy that deals with the measurement of the moon's surface and its gravitational field.
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Which of the following nouns has an irregular plural form?

Origin of selenodesy

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

OTHER WORDS FROM selenodesy

sel·e·nod·e·sist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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