Definition of astronomy noun from the Oxford Advanced Learner's Dictionary



BrE BrE//əˈstrɒnəmi//
; NAmE NAmE//əˈstrɑːnəmi//
[uncountable] The universe
jump to other results
the scientific study of the sun, moon, stars, planets, etc. Wordfinderasteroid, astronomy, comet, constellation, cosmic, galaxy, meteorite, orbit, space, the universe See related entries: The universe Word OriginMiddle English (also denoting astrology): from Old French astronomie, from Latin astronomia, from Greek, from astronomos (adjective) ‘star-arranging’.
See the Oxford Advanced American Dictionary entry: astronomy

Other results

All matches