Main Entry: sto·chas·tic

Pronunciation: \stə-ˈkas-tik, stō-\

Function: adjective

Etymology: Greek stochastikos skillful in aiming, from stochazesthai to aim at, guess at, from stochos target, aim, guess — more at sting

Date: 1934

1 : random; specifically : involving a random variable <a stochastic process>
2 : involving chance or probability : probabilistic <a stochastic model of radiation-induced mutation>

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