Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The precise measurement of the positions and motions of celestial bodies.

from The Century Dictionary.

  • noun The art of determining by measurement the apparent relative magnitude of the stars.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The art of making measurements among the stars, or of determining their relative magnitudes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun astronomy the branch of astronomy that deals with the measurement of the positions and motions of celestial bodies, particularly stars.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the branch of astronomy that deals with the measurement of the position and motion of celestial bodies

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

astro- + -metry

Examples

  • That research team used a different analysis method known as astrometry.

    msnbc.com: Top msnbc.com headlines

  • The researchers found the planet using a method called astrometry, which precisely tracks the position of stars over time.

    Yahoo! News: Business - Opinion

  • The researchers found the planet using a method called astrometry, which precisely tracks the position of stars over time.

    Yahoo! News: Business - Opinion

  • The National Aeronautics and Space Administration said the technique, called astrometry, involves measuring the motions of a star as an unseen planet tugs the star back and forth.

    Latest News - UPI.com

  • One of the biggest requirements arguments was over an exact and usually uninteresting subfield of astronomy called astrometry, the study of how to measure precisely a star’s position in the sky.

    A Grand and Bold Thing

  • One of the biggest requirements arguments was over an exact and usually uninteresting subfield of astronomy called astrometry, the study of how to measure precisely a star’s position in the sky.

    A Grand and Bold Thing

  • One of the biggest requirements arguments was over an exact and usually uninteresting subfield of astronomy called astrometry, the study of how to measure precisely a star’s position in the sky.

    A Grand and Bold Thing

  • One of the biggest requirements arguments was over an exact and usually uninteresting subfield of astronomy called astrometry, the study of how to measure precisely a star’s position in the sky.

    A Grand and Bold Thing

  • The first player organizes his hand by type, for example he may have 3 "astrometry" cards, 2 "pulsar timing" cards, and 2 "direct imaging" cards.

    thing-a-day 2010

  • The first player organizes his hand by type, for example he may have 3 "astrometry" cards, 2 "pulsar timing" cards, and 2 "direct imaging" cards.

    thing-a-day 2010

Comments

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  • B.B.C. News: 'The discovery of a Jupiter-like "exoplanet" orbiting the star VB 10 is the first to be made using the astrometry method. Astrometry is based on measuring small changes in a star's position.'

    June 1, 2009