# JND

> English word · Noun

## Definitions
1. Just-noticeable difference, the amount by which something must be changed in order for it to be detectable at least 50% of the time.

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