Astrometry Definition
ə-strŏmĭ-trē
noun
The precise measurement of the positions and motions of celestial bodies.
American Heritage
The branch of astronomy dealing with the measurement of the positions, motions, and distances of planets, stars, etc.
Webster's New World
(astronomy) The branch of astronomy that deals with the measurement of the positions and motions of celestial bodies, particularly stars.
Wiktionary
Other Word Forms of Astrometry
Noun
Singular:
astrometry
Plural:
astrometriesOrigin of Astrometry
astro- + -metry
From Wiktionary
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