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[dahy-uh-kron-ik] /ˌdaɪ əˈkrɒn ɪk/
adjective, Linguistics
of or relating to the changes in a linguistic system between successive points in time; historical:
diachronic analysis.
Compare synchronic.
Origin of diachronic
1925-30; < French diachronique (term introduced by F. de Saussure); see dia-, chronic
Related forms
diachronically, adverb
diachronicness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for diachronic
Historical Examples
  • The two creations,—the extinct and the extant,—or rather the prochronic and the diachronic—here unite.

    Omphalos Philip Henry Gosse
  • Now, again I repeat, there is no imaginable difference to sense between the prochronic and the diachronic development.

    Omphalos Philip Henry Gosse
British Dictionary definitions for diachronic


of, relating to, or studying the development of a phenomenon through time; historical: diachronic linguistics Compare synchronic
Word Origin
C19: from dia- + Greek 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
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Word Origin and History for diachronic

1857, from Greek dia "throughout" (see dia-) + khronos "time" (see chrono-). Use in linguistics dates from 1927.

Online Etymology Dictionary, © 2010 Douglas Harper
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diachronic in Medicine

diachronic di·a·chron·ic (dī'ə-krŏn'ĭk)
Of or concerned with phenomena as they change through time.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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