astronomy
UK /əˈstɹɒn.ə.mi/ · US /əˈstɹɑ.nə.mi/ noun
Forms astronomies
- noun The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.
- noun (obsolete) Astrology.
Synonyms
Etymology
From Middle English astronomie, astronemy, from Old French astronomie, equivalent to astro- + -nomy. Displaced native Old English tungolcræft.
Webster’s 1913
- noun Astrology. [Obs.]
- noun The science which treats of the celestial bodies, of their magnitudes, motions, distances, periods of revolution, eclipses, constitution, physical condition, and of the causes of their various phenomena.
Etymology [OE. astronomie, F. astronomie, L. astronomia, fr. Gr. Star, and Nomad.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “astronomy”, CC BY-SA 4.0. Details