metathesis

/me'tæθəsis/
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Thân thiện
metathesis

A student writes a chemical equation on the board showing a metathesis reaction.

Definition
  1. Noun:
    • A chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB): In chemistry, "metathesis" refers to a reaction where two compounds exchange parts, resulting in two different compounds.
    • A linguistic process of transposition of sounds or syllables within a word or words within a sentence: In linguistics, "metathesis" is the transposition or switching of sounds, syllables, or sometimes whole words in speech.
Usage Examples
  • Noun (Chemistry):

    • Olefin metathesis is a powerful tool for forming carbon-carbon double bonds.
    • The chemist explained the salt metathesis reaction to the students.
  • Noun (Linguistics):

    • The word "ask" was historically pronounced "aks," an example of metathesis.
    • Metathesis is common in many languages and can lead to permanent changes in word forms.
Advanced Usage
  • "Metathesis reaction": A specific term in chemistry for the exchange reaction.

    • The synthesis relied on a key ring-closing metathesis reaction.
  • "Sporadic metathesis": In linguistics, refers to a metathesis that is not regular or predictable.

    • The change from "brid" to "bird" is an instance of sporadic metathesis in English.
Variants and Related Words
  • Metathesize (verb): To undergo or cause metathesis.

    • Certain sounds are more likely to metathesize over time.
  • Metathetic (adj): Relating to or characterized by metathesis.

    • The linguist studied the metathetic patterns in the dialect.
Synonyms
  • Transposition: The action of changing the order or position of elements. (Used in both contexts)
  • Double decomposition: A synonym specifically for the chemical reaction. (Chemistry)
  • Sound change / switching: Terms describing the linguistic phenomenon. (Linguistics)
Related Phrases

(Note: "Metathesis" itself is not commonly used in phrasal verbs. The related phrases are fixed technical terms.) - "Undergo metathesis": To experience this process. - The ionic compounds underwent metathesis in solution. - "Result from metathesis": To be caused by this process. - The modern pronunciation resulted from historical metathesis.

Related Idioms

(Note: There are no common idioms using the word "metathesis." It is a specialized academic term.)

metathesis

A student writes a chemical equation on the board showing a metathesis reaction.

Noun
  1. a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
  2. a linguistic process of transposition of sounds or syllables within a word or words within a sentence