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dissimilation

 - 3 dictionary results

dis⋅sim⋅i⋅la⋅tion

[di-sim-uh-ley-shuhn]
–noun
1. the act of making or becoming unlike.
2. Phonetics. the process by which a speech sound becomes different from or less like a neighboring sound, as pilgrim[pil-grim] from Latin peregrīnus[per-e-gree-noos] , and purple[pur-puhl] from Old English purpure[poor-poo-re] , or disappears entirely because of a like sound in another syllable, as in the pronunciation[guhv-uh-ner] for governor. Compare assimilation (def. 5).
3. Biology. catabolism.

Origin:
1820–30; dis- 1 + (as)similation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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dis·sim·i·la·tion   (dĭ-sĭm'ə-lā'shən)   
n.  
  1. The act or process of making or becoming dissimilar.

  2. Linguistics The process by which one of two similar or identical sounds in a word becomes less like the other, such as the l in English marble (from French marbre).

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: dis·sim·i·la·tion
Pronunciation: (")dis-"im-&-'lA-sh&n
Function: noun
: CATABOLISMdis·sim·i·late /(')dis-'im-&-"lAt/ transitive verb -lat·ed; -lat·ing
dis·sim·i·la·tive /-"lAt-iv/ adjectivedis·sim·i·la·to·ry /-l&-"tOr-E, -"tor-/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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