Metathesis

Metathesis
Not to be confused with metastasis.

Metathesis (from the Greek μετάθεσις "transposition") may refer to:

  • Metathesis (linguistics), in phonology, a sound change that alters the order of phonemes in a word
    • Quantitative metathesis, a situation in which two vowel sounds follow directly one after the other and a transposition of vowel length takes place
  • Metathesis reaction, in chemistry, a bimolecular process involving the exchange of bonds between the two reacting chemical species
    • Olefin metathesis, an organic reaction which involves redistribution of olefinic (alkene) bonds
    • Alkane metathesis, a chemical reaction in which alkanes are rearranged to give longer or shorter alkane products
    • Alkyne metathesis, an organic reaction involving the redistribution of alkyne chemical bonds

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Look at other dictionaries:

  • metathesis — (n.) 1570s, transposition of letters in a word; c.1600, rhetorical transposition of words, from L.L. metathesis, from Gk. metathesis change of position, transposition, change of opinion, from stem of metatithenai to transpose, from meta to change …   Etymology dictionary

  • metathesis — [mə tath′ə sis] n. pl. metatheses [mə tath′əsēz΄] [LL < Gr, transposition, a going over < metatithenai, to put over, transpose < meta, over (see META ) + tithenai, to place (see DO1)] transposition or interchange; specif., a) the… …   English World dictionary

  • 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,… …   The Collaborative International Dictionary of English

  • Metathĕsis — (gr.), Umstellung; namentlich in der Grammatik, wenn ein Buchstabe mit einem andern versetzt wird, z.B. porricio für projicio, Hercules für Herakles, bornen für brennen …   Pierer's Universal-Lexikon

  • Metathĕsis — (griech., »Versetzung«), in der Grammatik die Umkehrung der Reihenfolge zweier oder mehrerer Laute, z. B. in Erle, althochdeutsch erila, aus elira (Eller) …   Meyers Großes Konversations-Lexikon

  • Metathesis — Metathĕsis (grch.), Umstellung, Versetzung der Buchstaben …   Kleines Konversations-Lexikon

  • Metathesis — Metathesis, – se, griech., in der Grammatik die Umstellung von Buchstaben …   Herders Conversations-Lexikon

  • metathesis — pronounced with the stress on the second syllable, is a term for the transposition of sounds or letters in a word, sometimes as a feature of a word s development (e.g hasp from Old English hæpse) and at other times as an erroneous process (e.g.… …   Modern English usage

  • metathesis — ► NOUN (pl. metatheses) Grammar ▪ the transposition of sounds or letters in a word. ORIGIN Greek, transposition …   English terms dictionary

  • Metathesis — Me|ta|the|sis 〈f.; , the|sen; Sprachw.〉 = Metathese * * * Me|ta|the|se, Me|ta|the|sis, die; , …thesen [lat. metathesis < griech. metáthesis] (Sprachwiss.): Lautumstellung in einem Wort (z. B. Born–Bronn). * * * Me|ta|the|se, Me|ta|the|sis,… …   Universal-Lexikon

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