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Related to metatheses: Metathesis reaction


n. pl. me·tath·e·ses (-sēz′)
1. Linguistics Transposition within a word of letters, sounds, or syllables, as in the change from Old English brid to modern English bird or in the confusion of modren for modern.
2. Chemistry Double displacement.

[Late Latin, from Greek, from metatithenai, to transpose : meta-, meta- + tithenai, to place; see dhē- in Indo-European roots.]

met′a·thet′ic (mĕt′ə-thĕt′ĭk), met′a·thet′i·cal adj.
met′a·thet′i·cal·ly adv.


n, pl -ses (-ˌsiːz)
1. (Linguistics) the transposition of two sounds or letters in a word
2. (Chemistry) chem another name for double decomposition
[C16: from Late Latin, from Greek, from metatithenai to transpose]
metathetic, ˌmetaˈthetical adj


(məˈtæθ ə sɪs)

n., pl. -ses (-ˌsiz)
the transposition of letters, syllables, or sounds in a word, as in the pronunciation (ˈkʌmf tər bəl) for comfortable or (aks) for ask.
[1600–10; < Late Latin: transposition of letters of a word < Greek metáthesis transposition]
met•a•thet•ic (ˌmɛt əˈθɛt ɪk) met`a•thet′i•cal, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.metathesis - a linguistic process of transposition of sounds or syllables within a word or words within a sentence
linguistic process - a process involved in human language
2.metathesis - a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
chemical reaction, reaction - (chemistry) a process in which one or more substances are changed into others; "there was a chemical reaction of the lime with the ground water"
double replacement reaction - a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound


[meˈtæθəsɪs] N (metatheses (pl)) [meˈtæθəˌsiːz]metátesis f inv


n pl <metatheses> → Metathese f, → Metathesis f
References in periodicals archive ?
He walks on eggshells to avoid singling out Islam, and so uses the euphemism "violent extremism." That condemns any resulting policy to failure: To discuss violent extremism but refuse to define what it means is the equivalent of hosting a conference to cure cancer, but barring any mention of cancer or discussion of tumors or metatheses.
Several are even ostrich anagrams, identical but for burying the first or last letter or so inside, and other metatheses. But all are unrelated in core words.
Included are stereoselective oxidation and reduction methods; stereoselective additions; cyclizations; metatheses and different types of rearrangements; asymmetric transition-metal-catalyzed, organocatalyzed, and biocatalytic reactions; methods for the formation of carbon-heteroatom and heteroatom-heteroatom bonds like asymmetric hydroamination and reduction amination, carboamination and alkylative cyclization, cycloadditions with carbon-heteroatom bond formation, and stereoselective halogenations; and methods for the formation of carbon-sulfur and carbon-phosphorus bonds and asymmetric sulfoxidation.