pin·​a·​col | \ ˈpinəˌkȯl, -kōl \
plural -s

Definition of pinacol

1 : a liquid glycol (CH3)2C(OH)C(OH)(CH3)2 that forms a crystalline hexahydrate C6H12(OH)2.6H2O and that is usually made from acetone by reduction with amalgamated magnesium followed by hydrolysis of the intermediate magnesium derivative; 2,3-dimethyl-2,3-butanediol
2 : any of a series of tetrasubstituted derivatives of ethylene glycol obtained by reduction of ketones other than acetone

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Other Words from pinacol

pinacolic adjective

History and Etymology for pinacol

International Scientific Vocabulary pinac- + -ol; from the fact that it unites with water to form tabloid-shaped crystals

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Cite this Entry

“Pinacol.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2021.

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