astrometer

== English == === Etymology === From astro- +‎ -meter. === Noun === astrometer (plural astrometers) An instrument designed to measure the brightness, relation, or apparent magnitude of stars. ==== Translations ==== ==== References ==== William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “astrometer”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC. === Anagrams === rotameters