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equal temperament noun[ U ] music specializeduk /ˌiː.kwəl ˈtem.pər.ə.mənt//ˌiː.kwəl ˈtem.prə.mənt/ us /ˌiː.kwəl ˈtem.prə.mənt//iː.kwəl ˈtem.pɚ.ə.mənt/ in music, a tuning system (= a system to help a musical instrument to produce the correct sounds when played) in which the octave(= the distance between two musical notes that are eight notes apart) is divided into twelve intervals of equal size: the standard Western twelve-tone equal temperament system Equal temperament has been the accepted method of tuning keyboards for over two centuries. In equal temperament, rather than trying to tune any selected interval perfectly, all intervals are slightly out of tune. Equal temperament was not universally adopted until the 20th century. The computer has made it possible to compose music in microtonal divisions beyond the twelve of equal temperament. SMART Vocabulary: related words and phrases Technical music terms acciaccatura accidental aeolian aleatory alto clef antiphonal discordant harmonic progression harmony hemidemisemiquaver inversion Ionian overtone rubato scherzando scordatura secco recitative secondo staccato whole step |