dis·sim·i·late /(ˌ)dɪˈsɪməˌlet/
  (vt.)(vi.)(使)變得不同
  dis·sim·i·late /(ˈ)dɪsˈɪməˌlet/ 及物動詞
  異化
  Dis·sim·i·late v. t. To render dissimilar.
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  dissimilate
       v 1: become dissimilar by changing the sound qualities; "These
            consonants dissimilate" [ant: assimilate]
       2: make dissimilar; cause to become less similar [ant: assimilate]
       3: become dissimilar or less similar; "These two related tribes
          of people gradually dissimilated over time" [ant: assimilate]