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astrometry

[ uh-strom-i-tree ]
/ əˈstrɒm ɪ tri /
|
SEE MORE SYNONYMS FOR astrometry ON THESAURUS.COM

noun

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

RELATED WORDS

horoscope, astrophysics, stargazing, uranology, selenology, astrochemistry

Nearby words

  1. astrologous,
  2. astrology,
  3. astromancy,
  4. astrometeorology,
  5. astrometric binary,
  6. astron.,
  7. astronaut,
  8. astronautical,
  9. astronautical engineering,
  10. astronautics

Origin of astrometry

First recorded in 1865–70; astro- + -metry
Also called positional astronomy.
Related formsas·tro·met·ric [as-troh-me-trik] /ˌæs troʊˈmɛ trɪk/, as·tro·met·ri·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for astrometry

British Dictionary definitions for astrometry

astrometry

/ (əˈstrɒmɪtrɪ) /

noun

the branch of astronomy concerned with the measurement of the position and motion of celestial bodies
Derived Formsastrometric (ˌæstrəˈmɛtrɪk) or 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

Science definitions for astrometry

astrometry

[ ə-strŏm′ĭ-trē ]

The scientific measurement of the positions and motions of celestial bodies.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.