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Dictionary

up'per bound'

Math.
an element greater than or equal to all the elements in a given set: 3 and 4 are upper bounds of the set consisting of 1, 2, and 3. Cf. bound ³ (def. 4), greatest lower bound, least upper bound, lower bound.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Upper Austria

Upper Canada

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