astrometry

[ uh-strom-i-tree ]

noun

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

astrometry

/ ˌæstrəˈmɛtrɪk; əˈstrɒmɪtrɪ /

noun

1. the branch of astronomy concerned with the measurement of the position and motion of celestial bodies

astrometry

/ ə-strŏm′ĭ-trē /

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

Derived Forms

• astrometric, adjective

Other Words From

• as·tro·met·ric [as-troh-, me, -trik], astro·metri·cal adjective

Word History and Origins

Origin of astrometry¹

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

Example Sentences

The earliest claimed exoplanet detections used the astrometry method, but almost none of them held up.

From Science News

The subject of Astrophysics does not admit of so definite a subdivision as that of Astrometry.

From Project Gutenberg

Related Words

• horoscope