# reducible

> English word · Adjective · frequency rank #71,048

## Definitions
1. Capable of being reduced.
2. Able to be factored into polynomials of lower degree, as x²-1.
3. Able to be factored into smaller integers; composite.
4. Containing a sphere of codimension 1 that is not the boundary of a ball.

## Etymology
From reduce + -ible.

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