Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

equivalence class

noun

Definition of equivalence class

: a set for which an equivalence relation holds between every pair of elements

First Known Use of equivalence class

1952

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about equivalence class

  1. Britannica.com: Encyclopedia article about equivalence class

Seen and Heard

What made you want to look up equivalence class? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games