hyperkinesis

play
noun hy·per·ki·ne·sis \ ˌhī-pər-kə-ˈnē-səs , -kī- \

Definition of hyperkinesis

1 :abnormally increased and sometimes uncontrollable activity or muscular movements
2 :a condition especially of childhood characterized by hyperactivity

Origin and Etymology of hyperkinesis

New Latin


Medical Dictionary

hyperkinesis

play
noun hy·per·ki·ne·sis \ -ˈnē-səs \

medical Definition of hyperkinesis

1 :abnormally increased and sometimes uncontrollable activity or muscular movements :hyperactivity — compare hypokinesia
2 :a condition especially of childhood characterized by hyperactivity

Learn More about hyperkinesis


Seen and Heard

What made you want to look up hyperkinesis? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a ram's-horn trumpet used in Judaism

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!