Dictionary.com

stochastic

[ stuh-kas-tik ]
/ stəˈkæs tɪk /
Save This Word!

adjective Statistics.
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.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of stochastic

1655–65; <Greek stochastikós, equivalent to stochas- (variant stem of stocházesthai to aim at) + -tikos-tic

OTHER WORDS FROM stochastic

sto·chas·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use stochastic in a sentence

British Dictionary definitions for stochastic

stochastic
/ (stɒˈkæstɪk) /

adjective
statistics
  1. (of a random variable) having a probability distribution, usually with finite variance
  2. (of a process) involving a random variable the successive values of which are not independent
  3. (of a matrix) square with non-negative elements that add to unity in each row
rare involving conjecture

Derived forms of stochastic

stochastically, 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

Scientific definitions for stochastic

stochastic
[ stō-kăstĭk ]

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.
FEEDBACK