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metathesis n. 音位轉換,轉移,置換 音位轉換,轉移,置換 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 ( ABCD= ADCB) [ synonym: { double decomposition}, { double decomposition reaction}, { metathesis}] Metathesis \ Me* tath" e* sis\, n.; pl. { Metatheses}. [ L., fr. Gr. meta` qesis, fr. metatiqe` nai to place differently, to transpose; meta` beyond, over tiqe` nai to place, set. See { Thesis}.] 1. ( Gram.) Transposition, as of the letters or syllables of a word; as, pistris for pristis; meagre for meager. [ 1913 Webster] 2. ( Med.) A mere change in place of a morbid substance, without removal from the body. [ 1913 Webster] 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. [ 1913 Webster] Metathetic
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