antiprothrombin

[ăn′tē-prō-thrŏm′bĭn, ăn′tī-]

n.

An anticoagulant that inhibits or prevents the conversion of prothrombin into thrombin.

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