Try Our Apps


Supposedly vs. Supposably

fourth heart sound

fourth heart sound in Medicine

fourth heart sound n.
The heart sound occurring in late diastole, corresponding with atrial contraction.

The American HeritageĀ® Stedman's Medical Dictionary
Copyright Ā© 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Word Value for fourth

Scrabble Words With Friends