expanse

[ ik-spans ]
/ ɪkˈspæns /

noun

an uninterrupted space or area; a wide extent of anything: an expanse of water.
something that is spread out, especially over a relatively large area: that great expanse, the sky.
expansion; extension: the wide expanse of scientific knowledge.

Origin of expanse

1660–70; < New Latin expānsum, noun use of neuter of Latin expānsus, past participle of expandere to expand
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for expanse

expanse

/ (ɪkˈspæns) /

noun

an uninterrupted surface of something that spreads or extends, esp over a wide area; stretchan expanse of water
expansion or extension

Word Origin for expanse

C17: from New Latin expansum the heavens, from Latin expansus spread out, from expandere to expand
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012