# hypertonia

> English word · Noun

## Definitions
1. An abnormal increase in tightness of muscle tone, common in cerebral palsy.

## Etymology
From New Latin hypertonia, from hyper- + Ancient Greek τόνος (tónos) + -ia. By surface analysis, hyper- + -tonia.

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