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astronomy

ast·ro·nomy

UK/əˈstɹɒn.ə.mi/ US/əˈstɹɑ.nə.mi/ uncommon obsolete

noun

1.

the branch of physics that studies celestial bodies and the universe as a whole

Synonyms

Origin

From Middle English astronomie, astronemy, from Old French astronomie, equivalent to astro- + -nomy. Displaced native Old English tungolcræft.

Phrases

  • Appendix:List of astronomical terms
  • astronomical unit
  • black hole
  • celestial body
  • right ascension

Related words

Word family

Broader terms

Narrower terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.