[ stuh-kas-tik ]
/ stəˈkæs tɪk /
of or relating to a process involving a randomly determined sequence of observations each of which is considered as a sample of one element from a probability distribution.
Origin of stochastic
1655–65; < Greek stochastikós, equivalent to stochas- (variant stem of stocházesthai to aim at) + -tikos -tic
Related formssto·chas·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for stochastic
/ (stɒˈkæstɪk) /
- (of a random variable) having a probability distribution, usually with finite variance
- (of a process) involving a random variable the successive values of which are not independent
- (of a matrix) square with non-negative elements that add to unity in each row
rare involving conjecture
Derived Formsstochastically, adverb
Word Origin for stochastic
C17: from Greek stokhastikos capable of guessing, from stokhazesthai to aim at, conjecture, from stokhos a target
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for stochastic
[ stō-kăs′tĭk ]
Involving or containing a random variable or variables.
Involving chance or probability.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.