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partially ordered set

American  

noun

Mathematics.

  1. a set in which a relation as “less than or equal to” holds for some pairs of elements of the set, but not for all.

Etymology

Origin of partially ordered set

First recorded in 1970–75

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.