kinetic constant temporal measure exponential time constant <n0:math xmlns:n0="http://www.w3.org/1998/Math/MathML"> <n2:lambda xmlns:n2="http://biomodels.net/SBO/"> <n2:bvar><n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000356">l</n2:ci></n2:bvar> <n2:apply> <n2:divide /> <n2:cn type="integer">1</n2:cn> <n2:ci>l</n2:ci> </n2:apply> </n2:lambda> </n0:math> Synonym: mean lifetime