Meaning of “astronomy” in the English Dictionary

american-english dictionary

"astronomy" in British English

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astronomynoun [ U ]

uk /əˈstrɒn.ə.mi/ us /əˈstrɑː.nə.mi/

C2 the scientific study of the universe and of objects that exist naturally in space, such as the moon, the sun, planets, and stars

Examples

  • Unlike astronomy, astrology cannot be described as an exact science.
  • I've always had an interest in astronomy.
  • These ancient scholars were steeped in poetry and painting, as well as maths and astronomy.

Examples from literature

  • Since the beginnings of astronomy scientists have been constantly improving telescopes and space observatories to better understand the universe. 
  • Then people studied astronomy, and they thought about how the Moon changed. 

(Definition of “astronomy” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"astronomy" in American English

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astronomynoun [ U ]

us /əˈstrɑn·ə·mi/

science the scientific study of the universe as a whole and of objects that exist naturally in space, such as the stars

(Definition of “astronomy” from the Cambridge Academic Content Dictionary © Cambridge University Press)