astrometry

== English == === Etymology === From astro- +‎ -metry. === Pronunciation === (UK) IPA(key): /əˈstɹɒmətɹi/ === Noun === astrometry (usually uncountable, plural astrometries) (astronomy) The branch of astronomy that deals with the measurement of the positions and motions of celestial bodies, particularly stars. ==== Derived terms ==== ==== Related terms ==== astrometric astrometrician ==== Translations ====