antiarrhythmic
[ an-tee-uh-rith-mik, -uh-rith-, an-tahy- ]
/ ˌæn ti əˈrɪð mɪk, -əˈrɪθ-, ˌæn taɪ- /
Save This Word!
adjective
of or relating to any substance that prevents, inhibits, or alleviates heartbeat irregularities.
noun
any such substance, as lidocaine.
QUIZZES
QUIZ YOURSELF ON “ITS” VS. “IT’S”!
Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Origin of antiarrhythmic
First recorded in 1950–55; anti- + arrhythmic
Words nearby antiarrhythmic
antianxiety, antianxiety agent, antianxiety drug, anti-apartheid, antiar, antiarrhythmic, antiart, antiarthritic, antiatom, antiauxin, antibacchius
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical 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.