astrometry

[uh-strom-i-tree]
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

astrometric [as-troh-me-trik] , astrometrical, adjective
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Collins
World English Dictionary
astrometry (əˈstrɒmɪtrɪ)
 
n
the branch of astronomy concerned with the measurement of the position and motion of celestial bodies
 
astrometric
 
adj
 
astro'metrical
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
astrometry   (ə-strŏm'ĭ-trē)  Pronunciation Key 
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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Example sentences
As a result, astronomers have had to resort to a form of binocular vision called astrometry.
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