follow Dictionary.com

Your favorite word could be our Word of the Day!

aleatory

[ey-lee-uh-tawr-ee, -tohr-ee, al-ee-] /ˈeɪ li əˌtɔr i, -ˌtoʊr i, ˈæl i-/
adjective
1.
Law. depending on a contingent event:
an aleatory contract.
2.
of or pertaining to accidental causes; of luck or chance; unpredictable:
an aleatory element.
3.
Music. employing the element of chance in the choice of tones, rests, durations, rhythms, dynamics, etc.
Also, aleatoric
[ey-lee-uh-tawr-ik, -tor-, al-ee-] /ˌeɪ li əˈtɔr ɪk, -ˈtɒr-, ˌæl i-/ (Show IPA)
.
Origin
1685-1695
1685-95; < Latin āleātōrius, equivalent to āleātōr- (stem of āleātor gambler (āle(a) game of chance + -ātor -ator) + -ius adj. suffix; see -tory1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for aleatory
  • The first type of uncertainty is aleatory uncertainty.
  • The condition made is aleatory, but that does not affect its validity or enforceability.
  • They have recently been termed aleatory and epistemic uncertainty.
  • The aleatory and epistemic uncertainty can be combined into a composite variability.
  • aleatory causation involves physical processes that may be probabilistic.
  • aleatory uncertainty cannot be reduced by collection of additional information.
  • aleatory risks versus short-run hedonism in explanation of gang action.
  • Both aleatory and epistemic uncertainties should be addressed.
British Dictionary definitions for aleatory

aleatory

/ˈeɪlɪətərɪ; -trɪ/
adjective
1.
dependent on chance
2.
(esp of a musical composition) involving elements chosen at random by the performer
Word Origin
C17: from Latin āleātōrius, from āleātor gambler, from ālea game of chance, dice, of uncertain origin
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
Cite This Source
Word Origin and History for aleatory
adj.

"of uncertain outcome," literally "depending on the throw of a die," 1690s, from Latin aleatorius "pertaining to a gamester," from aleator "a dice player," from alea "a game with dice; chance, hazard, risk; a die, the dice;" perhaps literally "a joint-bone, a pivot-bone," and related to axis.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for aleatory

Some English speakers likely know this word

Word Value for aleatory

11
11
Scrabble Words With Friends

Nearby words for aleatory