astrometry

play
noun as·trom·e·try \ə-ˈsträ-mə-trē\

Definition of astrometry

  1. :  a branch of astronomy that deals with measurements (as of positions and movements) of celestial bodies

astrometric

play \ˌas-trə-ˈme-trik\ adjective

1811

First Known Use of astrometry

1811


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