me·tath·e·sis /məˈtæθəsəs/
 音位轉換,轉移,置換


 me·tath·e·sis /məˈtæθəsəs/ 名詞
 病變移植,置換(作用),複分解(作用),易位(作用)


 Me·tath·e·sis n.; pl. Metatheses
 1. Gram. Transposition, as of the letters or syllables of a word; as, pistris for pristis; meagre for meager.
 2. Med. A mere change in place of a morbid substance, without removal from the body.
 3. Chem. The act, process, or result of exchange, substitution, or replacement of atoms and radicals; thus, by metathesis an acid gives up all or part of its hydrogen, takes on an equivalent amount of a metal or base, and forms a salt.

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 metathesis
      n 1: a linguistic process of transposition of sounds or syllables
           within a word or words within a sentence
      2: a chemical reaction between two compounds in which parts of
         each are interchanged to form two new compounds
         (AB+CD=AD+CB) [syn: double decomposition, {double
         decomposition reaction]
      [also: metatheses (pl)]