astrometry

[ uh-strom-i-tree ]
/ əˈstrɒm ɪ tri /

noun

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

First recorded in 1865–70; astro- + -metry

OTHER WORDS FROM astrometry

as·tro·met·ric [as-troh-me-trik] /ˌæs troʊˈmɛ trɪk/, as·tro·met·ri·cal, adjective

Example sentences 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 forms of astrometry

astrometric (ˌæstrəˈmɛtrɪk) or astrometrical, adjective

Scientific definitions for astrometry

astrometry
[ ə-strŏmĭ-trē ]

The scientific measurement of the positions and motions of celestial bodies.