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astrometry

[uh-strom-i-tree] /əˈstrɒm ɪ tri/
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noun
1.
the branch of astronomy that deals with the measurement of the positions and motions of the celestial bodies.
Also called positional astronomy.
Origin of astrometry
1865-1870
1865-70; astro- + -metry
Related forms
astrometric
[as-troh-me-trik] /ˌæs troʊˈmɛ trɪk/ (Show IPA), astrometrical, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for astrometry

astrometry

/əˈstrɒmɪtrɪ/
noun
1.
the branch of astronomy concerned with the measurement of the position and motion of celestial bodies
Derived Forms
astrometric (ˌæstrəˈmɛtrɪk), astrometrical, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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astrometry in Science
astrometry
  (ə-strŏm'ĭ-trē)   
The scientific measurement of the positions and motions of celestial bodies.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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