Michaelis, Leonor (1875–1949), German-American biochemist. Michaelis made major contributions to both biochemistry and medicine. In 1913 he derived the Michaelis constant, a measure of the affinity of an enzyme for the substance on which it acts.
Medical Dictionary
Michaelis constant
noun Mi·chae·lis constant \mī-ˈkā-ləs-, mə-\
Medical Definition of MICHAELIS CONSTANT
: a constant that is a measure of the kinetics of an enzyme reaction and that is equivalent to the concentration of substrate at which the reaction takes place at one half its maximum rate
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