metathetical

/ˌmɛtəˈθɛtɪkəl/
adjective
  1. Relating to or involving metathesis, the swapping of sounds, letters, or chemical groups.
    • This metathetical process is common in many languages, not just English.
    • The metathetical shift in pronunciation turned 'ax' into 'ask' over time.
    • The chemist described a metathetical pathway for synthesizing the new compound.
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