A barometer in which water is substituted for mercury.

(pharmacology) A powerful anticlotting drug (trademark ReoPro) that inhibits platelet aggregation by binding to a glycoprotein receptor on human platelets and that consists of the F_(ab) fragment f...

plural of hoolie

(historical) Abbreviation of French pour prendre congé (“to take leave”) or English presents parting compliments; a decorous visitor would write P.P.C. on a card (referred to as a P.P.C. card) as a...