tissue plasminogen activator-a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction.issue plasminogen activator-a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction.
A stack of colored notecards. noun. The definition of a small firm sheet of paper used for writing a short message or for keeping small pieces of information. The lined cards used for presentation notes are an example of notecard. a small card, enclosed in an envelope, having a photograph or illustration printed on one side and the other side used for sending short messages.
Definition of trump card. 1  1 : a card from the suit that has been chosen as the most valuable for a particular card game. 2  2 : something that gives someone an advantage The prosecution's trump card is the evidence linking the defendant to the murder weapon. He played/used his trump card during the negotiations.