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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 ?
Umicore will acquire Materia's exclusive metathesis catalyst intellectual property portfolio and will serve customers purchasing these catalysts.
The contract covers the output of the Metathesis Unit currently being constructed in P?
It highlights the behavior of different phonemes that causes metathesis to occur.
NONOX Process--The process utilizes a combination of copper metathesis and hydrothermal leach mechanisms to remove or reduce impurities from copper sulphide concentrates while significantly upgrading the copper content.
a high-growth company that creates novel specialty chemicals from natural oils--has successfully completed scale-up of a second-generation biorefinery technology of the company's olefin metathesis technology, utilizing ethylene and natural oil feedstocks.
In contrast, the National Puzzlers' League calls this a metathesis.
Developed from Nobel Prize-winning metathesis chemistry, ecologically responsible citus terpenes and emulsifiers, this patent-pending technology comes to you fully blended and ready for dilution to meet your specific product needs.
Another approach for intrinsic self-healing is by means of the formation of covalent bonds that allow chain exchange reactions such as the dynamic reversible formation of acylhydrazones [11], trithiocarbonates reshuffling [12], the reaction exchange of siloxane segments [13, 14], and the metathesis reaction of disulfide bonds [15-17].
Two new hydrophobic ionic liquids were synthesized through ion exchange metathesis and characterized through spectral data and thermogravimetric analysis.
These products are transformed by metathesis to form phenolic dimers.
The project, "Synthesis of Novel and Sustainable Functionalised Linear and Cyclic Polymers via Olefin Metathesis," seeks to develop novel and environmentally friendly ways to produce polymers.
The trick, these Brits discovered, is to let them assemble themselves via a process known as ring-closing olefin metathesis.