SINCE 1828
pinacol
noun
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
Keep scrolling for more
Comments on pinacol
What made you want to look up pinacol? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words for Summer: A Quiz
-
- Which of the following words means “of or relating to summer”?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share pinacol
Resources for pinacol