dissimilation
From Wiktionary, the free dictionary
See also: Dissimilation
Etymology
From dis- + -similation, after assimilation.
Pronunciation
Noun
dissimilation (countable and uncountable, plural dissimilations)
- The act of dissimilating, of making dissimilar.
- (microbiology) A dissimilatory process supplying a cell with energy only without assimilation of nutrients. An exergonic process of the microbial catabolic metabolism in which redox-active species participate in oxidation-reduction reactions (exchange of electrons) to deliver the energy needed for sustaining the cell activity. The external substances absorbed by the cell from its environment for producing energy are not assimilated for the synthesis of biomolecules or the fabrication of cell components, but excreted out of the cell after the energy production.
- (phonology, phonetics) A phenomenon where one of a pair of similar adjacent consonant or vowel sounds in a word becomes less similar.
- 1985, Robert Burchfield, The English Language, Oxford: Oxford University Press, page 112:
- Brimstone is "properly" *brinstone, displaying an ancient careless pronunciation made respectable by being called "dissimilation".
Antonyms
Derived terms
Related terms
Translations
the act of dissimilating, of making dissimilar
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(phonology) A phenomenon whereby similar consonant or vowel sounds in a word become less similar
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Further reading
dissimilation on Wikipedia.Wikipedia
Noun
dissimilation (countable and uncountable, plural dissimilations)
- Misspelling of dissimulation.
Etymology
From dissimiler + -ation.
Pronunciation
Noun
dissimilation f (plural dissimilations)
- (phonology) dissimilation
- Antonym: assimilation
Further reading
- “dissimilation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
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