In particular, a billion is 10 9 = 1 000 000 000 in the American system and 10 12 = 1 000 000 000 000 in the European system. For 10 9, Europeans say thousand million or milliard.. Although we describe the two systems today as American or European, both systems are actually of French origin.
Definition of warfarin. : a crystalline anticoagulant coumarin derivative C19H16O4 that inhibits the production of prothrombin by vitamin K and is used as a rodent poison and in medicine; also : its sodium salt C19H15NaO4 used especially in the prevention or treatment of thromboembolic disease.
A: Coumadin (warfarin) is an anticoagulant (blood thinner) used to decrease the formation of blood clots. Coumadin is used to prevent heart attacks, strokes and blood clots in veins and arteries. It may also be used for other conditions as determined by your healthcare provider.: Coumadin (warfarin) is a blood thinner used to prevent blood clots. The most common side effects with Coumadin include bleeding from any site such bloody nose, bruising, bleeding from gums or blood in urine or stool. Frequent monitoring of blood tests help to reduce the risk of bleeding.