metathesis

metathesis
1. Transfer of a pathologic product ( e.g., a calculus) from one place to another where it causes less inconvenience or injury, when it is not possible or expedient to remove it from the body. 2. In chemistry, a double decomposition, wherein a compound, A-B, reacts with another compound, C-D, to yield A-C + B-D, or A-D + B-C. [meta- + G. thesis, a placing]

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me·tath·e·sis mə-'tath-ə-səs n, pl -e·ses -.sēz DOUBLE DECOMPOSITION

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me·tath·e·sis (mə-tathґə-sis) [meta- + Gr. thesis placement] 1. the artificial transfer of a morbid process. 2. a chemical reaction in which an element or radical in one compound exchanges places with another element or radical in another compound.

Medical dictionary. 2011.

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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 — 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… …   Wikipedia

  • 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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