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Ba·nach space | \ ˈbä-ˌnäk- 
, -nək-, -ˌnäḵ-, -nəḵ- \
, -nək-, -ˌnäḵ-, -nəḵ- \Definition of Banach space
: a complete normed vector space
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Time Traveler for Banach space
The first known use of Banach space was in 1941
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