1. an enzyme produced by some strains of streptococcus that can liquefy blood clots by converting plasminogen to plasmin; used medicinally in some cases of myocardial infarction and pulmonary embolism;
WordNet (r) 3.0 (2006):
streptokinase
n 1: an enzyme produced by some strains of streptococcus that
can liquefy blood clots by converting plasminogen to
plasmin; used medicinally in some cases of myocardial
infarction and pulmonary embolism