Dictionary.com
Thesaurus.com

clonus

American  
[kloh-nuhs] / ˈkloʊ nəs /

noun

Pathology.
  • clonuses
    plural
  1. a rapid succession of flexions and extensions of a group of muscles, usually signifying an affection of the brain or spinal cord.


clonus British  
/ ˈkləʊnəs /

noun

  1. a type of convulsion characterized by rapid contraction and relaxation of a muscle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of clonus

1810–20; < New Latin < Greek klónos turmoil

Compare meaning

How does clonus compare to similar and commonly confused words? Explore the most common comparisons:

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Tapping of one knee tended to set musculature of opposite knee in mild clonus of short duration.

From Studies in Forensic Psychiatry by Bernard Glueck

Upon tapping, the quadriceps tendon caused a brisk marked contraction of thigh muscles, followed by mild clonus.

From Studies in Forensic Psychiatry by Bernard Glueck

No foot clonus, no Babinski; abdominal reflexes present, cremasteric not elicited; catalepsy not always present.

From Studies in Forensic Psychiatry by Bernard Glueck

Both deep and superficial reflexes exaggerated; ankle clonus both sides; hyperæsthesia of abdomen and face.

From Studies in Forensic Psychiatry by Bernard Glueck

There was neither ankle nor patellar clonus, and the other reflexes were present and normal.

From Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre by George Henry Makins

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training