[uh-spar-uh-juh-neys, -neyz]

noun Biochemistry, Pharmacology.

an enzyme that catalyzes the conversion of asparagine to aspartic acid and ammonia, used in the treatment of acute lymphocytic leukemia.

Origin of asparaginase

First recorded in 1960–65; asparagine + -ase Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

asparaginase in Medicine


[ə-spărə-jə-nās′, -nāz′]


A bacterial enzyme that catalyzes the hydrolysis of asparagine and is used in the treatment of leukemia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.