n. [ Astro- + meteorology. ] The investigation of the relation between the sun, moon, and stars, and the weather. --
n. [ Astro- + meter. ] An instrument for comparing the relative amount of the light of stars. [ 1913 Webster ]
n. [ Astro- + metry. ] The art of making measurements among the stars, or of determining their relative magnitudes. [ 1913 Webster ]
n. [ So named from the German chemist Friedrich Stromeyer. ] (Min.) A steel-gray mineral of metallic luster. It is a sulphide of silver and copper. [ 1913 Webster ]