# Kan extension

> English word · Noun

## Definitions
1. A construct that generalizes the notion of extending a function's domain of definition.

## Etymology
Named after Jewish and Dutch mathematician Daniel M. Kan (1927–2013), who constructed certain (Kan) extensions using limits in 1960.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/kan-extension