# moment of inertia

> English word · Noun

## Definitions
1. A measure of a rigid body's resistance to change in its angular velocity around a given axis.
2. Second moment of area; a measure of a rigid body's resistance to bending.

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