Möbius band

Variant of Möbius strip

a one-edged geometric surface with only one continuous side, formed by giving a 180° twist to a narrow, rectangular strip of paper and then connecting the two ends together
also

Origin: after A. F. Möbius (1790-1868), Ger mathematician

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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