astronomy

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.

(obsolete) Astrology.

Roots

astronastro- · Greek · star nomos-nom · Greek · law, management

Synonyms for astronomy

uranologyn uranometryadj astrophysicsn stargazingn uranographyadj astrophotographyadj meteoriticsadj astrogeologyadj

Synonyms & related words for astronomy

Find synonyms, related words, and the definition of astronomy — including uranology, uranometry, astrophysics, stargazing, uranography, astrophotography. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to astronomy

Explore words related to astronomy — words associated with it, words that go with it, and its nearest matches in meaning. Related words include aphelia, aphelian, radiogalaxy, evection, selenology, colure, almucantar, spectroheliograph. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for astronomy

Common synonyms for astronomy include uranology, uranometry, astrophysics, stargazing, uranography, astrophotography, meteoritics, astrogeology — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does astronomy come from?

The word astronomy breaks down into 2 roots of Greek origin: astro-, from Greek astron (“star”); and -nom, from Greek nomos (“law, management”). Explore each root to see other English words built from the same source.