power set

American

noun

Mathematics.

the collection of all subsets of a given set.

power set British

noun

maths logic a set the elements of which are all the subsets of a given set

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of power set

First recorded in 1950–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In almost half of such occasions, hospitals, especially large ones with market power, set their cash prices lower than their median negotiated prices for insurers.

From Washington Post • Apr. 11, 2023

Even though they came from the same class as the yangban, their lack of interest in attaining wealth and power set them apart.

From Textbooks • Dec. 14, 2022

Her gravity-defying moves, coupled with her tremendous speed and power, set her apart from everyone else — by miles.

From New York Times • Jun. 1, 2021

Mamet won a Pulitzer Prize in 1984 for his play “Glengarry Glen Ross” about male power set in the cut-throat world of real estate.

From Reuters • Feb. 23, 2018

"You got your small fire all right" Startled, Ralph realized that the boys were falling still and silent, feeling the beginnings of awe at the power set free below them.

From "Lord of the Flies" by William Golding

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