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Astrometry

5 dictionary results for: Astrometry

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

as·trom·e·try

[uh-strom-i-tree] Pronunciation Key

–noun

the branch of astronomy that deals with the measurement of the positions and motions of the celestial bodies.

Also called positional astronomy.

[Origin: 1865–70; astro- + -metry

]

—Related forms

as·tro·met·ric

[as-troh-me-trik] Pronunciation Key, as·tro·met·ri·cal, adjective

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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American Heritage Dictionary - Cite This Source - Share This

as·trom·e·try (ə-strŏm'ĭ-trē) Pronunciation Key
n. The scientific measurement of the positions and motions of celestial bodies.

as'tro·met'ric (ās'trō-mět'rĭk), as'tro·met'ri·cal adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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