[ahy-suh-rith-uh m]

noun Music.

a structural feature characteristic of the Ars Nova motet, consisting of a single rhythmic phrase pattern repeated, usually in the tenor, throughout the composition.

Origin of isorhythm

First recorded in 1950–55; iso- + rhythm
Related formsi·so·rhyth·mic, adjectivei·so·rhyth·mi·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for isorhythmic



music (of medieval motets) having a cantus firmus that is repeated according to a strict system of internal reiterated note values
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