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upper bound

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noun Mathematics.
  1. 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.Compare bound3(def 4), greatest lower bound, least upper bound, lower bound.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

upper bound in Science

upper bound

  1. A number that is greater than or equal to every number in a given set.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.