# vis viva

> English word · Noun

## Definitions
1. The product of an object's mass and the square of its speed.

## Etymology
From Latin, meaning "live force", coined by Gottfried W. Leibniz in order to denote a quantity discovered by Christiaan Huygens.

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