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metathesis

Syllabification: me·tath·e·sis
Pronunciation: /məˈtaTHəsəs
 
/

Definition of metathesis in English:

noun (plural metatheses /-ˌsēz/)

1 Grammar The transposition of sounds or letters in a word.
Example sentences
  • X sometimes alternates with sk by metathesis: Manx for earlier Mansk; piskey as a variant of pixie; ax as a dialect form of ask.
  • We are dealing here with a phenomenon called metathesis (pronounced mih-TATH-uh-sis), the switching of two adjacent sounds within a word.
  • It looks like Safire is assuming a metathesis and then a reshaping to match other cular words, which would supply a/y.
2 (also metathesis reaction) Chemistry A reaction in which two compounds exchange ions, typically with precipitation of an insoluble product. Also called double decomposition.
Example sentences
  • Recently there has also been a growing interest in utilising what is known as the alkene metathesis reaction for altering chain-lengths of ‘oils’ to form new compounds.
  • I've never done an olefin metathesis reaction, which means that the trend started without me and will leave without me.
  • In South Africa, interest in alkene metathesis research is growing.

Origin

late 16th century: from Greek, from metatithenai 'transpose, change the position of'.

Derivatives

metathetic

1
Pronunciation: /ˌmetəˈTHetik/
adjective
Example sentences
  • It is suggested here that metathetic continua may not be amenable to investigation as relative class concepts.
  • Here are a few more words that are metathetic forms of former words.
  • There is a great deal of debate as to whether or not stimuli that are part of a metathetic continuum can be explained by the Power Law.

metathetical

2
Pronunciation: /ˌmetəTHetikəl/
adjective
Example sentences
  • The metathetical process to generate isocyanates allows also for facile formation of sterically demanding aryl isocyanide, by a deoxygenation route.
  • Now it is certainly possible to rig up such a metathetical reaction where the ions change partners and both precipitate!
  • Furthermore, we have found that the throughput for the process is improved when an ammonium salt is used for the metathetical second step of the process.

Words that rhyme with metathesis

diaeresis (US dieresis)

Definition of metathesis in:

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