pinacolin

from The Century Dictionary.

• noun An oily liquid, CH₃.CO.C(CH₃)₃ or dimethylbutanone, made by distilling pinacone with dilute sulphuric acid, by the dry distillation of calcium isobutyrate, and in other ways. It has an odor like peppermint, and boils at 106° C.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Chem.) A colorless oily liquid related to the ketones, and obtained by the decomposition of pinacone; hence, by extension, any one of the series of which pinacolin proper is the type.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun chemistry A colourless oily liquid related to the ketones, and obtained by the decomposition of pinacone.
• noun chemistry, by extension Any of the series of which pinacolin proper is the type.