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单词 dissimilation
释义

WordReference Random House Unabridged Dictionary of American English © 2024
dis•sim•i•la•tion  (di sim′ə lāshən),USA pronunciation n. 
  1. the act of making or becoming unlike.
  2. [Phonet.]the process by which a speech sound becomes different from or less like a neighboring sound, as pilgrim(pilgrim)USA pronunciation from Latin peregrīnus(per′e grēnŏŏs),USA pronunciation and purple(pûrpəl)USA pronunciation from Old English purpure(pŏŏrpŏŏ re),USA pronunciation or disappears entirely because of a like sound in another syllable, as in the pronunciation (guvə nər)USA pronunciation for governor. Cf. assimilation (def. 5).
  3. [Biol.]catabolism.
  • dis-1 + (as)similation 1820–30

Collins Concise English Dictionary © HarperCollins Publishers::
dissimilation /ˌdɪsɪmɪˈleɪʃən/ n
  1. the act or an instance of making dissimilar
  2. the alteration or omission of a consonant as a result of being dissimilated
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