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Noun: metathesis (metatheses)  mu'ta-thi-sis
  1. A linguistic process of transposition of sounds or syllables within a word or words within a sentence
    "The word 'ask' is often pronounced 'aks' due to metathesis"
     
  2. A chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
    "The reaction between silver nitrate and sodium chloride is an example of metathesis";
    - double decomposition, double decomposition reaction

Derived forms: metatheses

Type of: chemical reaction, linguistic process, reaction

Encyclopedia: Metathesis