Definition of aleatory in English:


Syllabification: a·le·a·to·ry
Pronunciation: /ˈālēəˌtôrē, ˈal-


  • 1Depending on the throw of a dice or on chance; random.
    More example sentences
    • Fortunately, some cosmologists have lately begun to consider models in which the ‘initial conditions’ are aleatoric and hence far from simple.
    • Thus the rigorous intellectualism of serialism and the freedom of aleatoric processes are not paradoxical, but stem from the same mindset.
    • It is presumed that the very creation of life spawned from the song of its constant aleatoric mutations.
  • 1.1Relating to or denoting music or other forms of art involving elements of random choice (sometimes using statistical or computer techniques) during their composition, production, or performance.
    More example sentences
    • In his later works he experimented with electronic music, while aleatory techniques form the basis of two major orchestral scores from 1967.
    • They were intrigued and learned something new about Mozart and aleatory music.
    • All of these elements are combined into seemingly aleatory compositions that, like fractals, operate on several scales at once.


late 17th century: from Latin aleatorius (see aleatoric).

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Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody