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.)

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