[ ahy-sok-ruh-nl ]
/ aɪˈsɒk rə nl /


equal or uniform in time.
performed in equal intervals of time.
characterized by motions or vibrations of equal duration.

Origin of isochronal

1670–80; < New Latin isochron(us) (< Greek isóchronos equal in age or time; see iso-, chron-) + -al1

Related forms

i·soch·ro·nal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for isochronal

British Dictionary definitions for isochronal



/ (aɪˈsɒkrənəl) /


having the same duration; equal in time
occurring at equal time intervals; having a uniform period of vibration or oscillation

Derived Forms

isochronally or isochronously, adverbisochronism, noun

Word Origin for isochronal

C17: from New Latin isochronus, from Greek isokhronos, from iso- + khronos time
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