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



BrE BrE//ɪkˈspæns//
; NAmE NAmE//ɪkˈspæns//
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expanse (of something) a wide and open area of something, especially land or water a wide/vast expanse of blue sky flat expanses of open farmland Word Originmid 17th cent.: from modern Latin expansum ‘something expanded’, neuter past participle of expandere ‘to spread out’, from ex- ‘out’ + pandere ‘to spread’.Extra examples She stood looking out over the flat expanse of fields. a bleak expanse of concrete a vast expanse of sand the desk’s shining expanse of polished wood the white expanses of the frozen north Above them was a vast expanse of blue sky. He gazed out over the huge expanses of open prairie. She admired the deck’s shining expanse of polished wood.
See the Oxford Advanced American Dictionary entry: expanse