astronomy

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

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

Etymology

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

In classic literature

Synonyms

uranology

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