- the act of making or becoming unlike.
- Phonetics. the process by which a speech sound becomes different from or less like a neighboring sound, as pilgrim [pil-grim] /ˈpɪl grɪm/ from Latin peregrīnus [per-e-gree-noo s] /ˌpɛr ɛˈgri nʊs/, and purple [pur-puh l] /ˈpɜr pəl/ from Old English purpure [poo r-poo-re] /ˈpʊər pʊ rɛ/, or disappears entirely because of a like sound in another syllable, as in the pronunciation [guhv-uh-ner] /ˈgʌv ə nər/ for governor.Compare assimilation(def 7).
- Biology. catabolism.
Origin of dissimilation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for dissimilation
The female name Annabel is a dissimilation of Amabel, whence Mabel.
Three of the most important of these are assimilation, dissimilation, and metathesis.
Dissimilation is first found in philological works published in the decade 1874-85.English Past and Present
Richard Chevenix Trench
In the family name Hansom, for Hanson, we have dissimilation of n (see p. 57).
Let us first of all glance at some of the most important phenomena in connection with assimilation and dissimilation.An Introduction to Psychology
Wilhelm Max Wundt
- the act or an instance of making dissimilar
- phonetics the alteration or omission of a consonant as a result of being dissimilated
- biology a less common word for catabolism
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
Word Origin and History for dissimilation
1874, noun of action from dissimilate.
Online Etymology Dictionary, © 2010 Douglas Harper