astronomy
noun/əˈstrɒnəmi/
/əˈstrɑːnəmi/
[uncountable]- the scientific study of the sun, moon, stars, planets, etc.Topics Spaceb2Oxford Collocations DictionaryAstronomy is used after these nouns:
- radio
Word OriginMiddle English (also denoting astrology): from Old French astronomie, from Latin astronomia, from Greek, from astronomos (adjective) ‘star-arranging’.Definitions on the go
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