Look up metathesis in Wiktionary, the free dictionary.

Metathesis may refer to:

Changes of vocal properties

• Metathesis (linguistics), alteration of the order of phonemes within a word
• Quantitative metathesis, exchange of long and short roles, without changing order of vowel sounds

Chemical change in which a pair of molecules exchange electronic patterns of bonding

• Salt metathesis reaction, exchange of bonds between two reacting chemical species
• Olefin metathesis, redistribution of olefinic (alkene) chemical bonds
• Alkane metathesis, redistribution of alkane chemical bonds
• Alkyne metathesis, redistribution of alkyne chemical bonds

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