Slideshows Images Quizzes

Copyright © 2018 by RxList Inc. RxList does not provide medical advice, diagnosis or treatment. See additional information.

Definition of Litmus

Litmus: A pigment used as a test for acidity and alkalinity. Litmus paper turns red in acid and blue in an alkaline solution. Litmus is prepared from lichens like Roccella tinctoria. Figuratively, a litmus test is a decision in which a single factor is the determinant.

SLIDESHOW

Heart Disease: Causes of a Heart Attack See Slideshow
CONTINUE SCROLLING FOR RELATED SLIDESHOW

Health Solutions From Our Sponsors