Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “myoclonus”


noun [U] uk   /ˌmaɪ.əˈkləʊ.nəs/ us    /mɑɪˈɑk.lə.nəs/ specialized
sudden short movements of a muscle or group of muscles that you cannot control: myoclonus epilepsy Opioids occasionally cause myoclonus, seizures, and hallucinations.
(Definition of myoclonus from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of myoclonus?
Add Cambridge dictionaries to your browser to your website

Word of the Day


an area of darkness, caused by light being blocked by something

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More