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antiarrhythmic

[an-tee-uh-rith -mik, -uh-rith-, an-tahy-]Pharmacology

adjective

of or relating to any substance that prevents, inhibits, or alleviates heartbeat irregularities.

noun

any such substance, as lidocaine.

Nearby words

  1. antiantibody,
  2. antianxiety,
  3. antianxiety agent,
  4. antianxiety drug,
  5. antiar,
  6. antiart,
  7. antiarthritic,
  8. antiatom,
  9. antiauxin,
  10. antibacchius

Origin of antiarrhythmic

First recorded in 1950–55; anti- + arrhythmic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for antiarrhythmic

antiarrhythmic

[ăn′tē-ə-rĭð′mĭk, ăn′tī-]

adj.

Preventing or alleviating irregularities in the force or rhythm of the heart.

n.

An antiarrythmic drug.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.