stochastic

sto·chas·tic

adj \stə-ˈkas-tik, stō-\

Definition of STOCHASTIC

1

: involving a random variable <a stochastic process>

2

: involving chance or probability <a stochastic model of radiation-induced mutation>

—sto·chas·ti·cal·ly \-ti-k(ə-)lē\ adverb