# Cauchy-Schwarz inequality

> English word · Proper noun

## Definitions
1. A theorem which states that the absolute value of the dot product between two vectors is less than or equal to the product of the magnitudes of the two vectors.

## Etymology
Named after Augustin-Louis Cauchy and Hermann Amandus Schwarz.

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