pinacoline

[Eng. pinaco(ne); I connect., and suď. -ine.] Chem.: C6H12O=CH3CO·C(CH3)3. Methyl tri me thyl-carb in ketone. A colorle oil, specific gravity, 07999 at 16°, prepared by heating pinacone with dilute sulphuric acid, or with concentrated acetic acid. It has the odor of pepermint, boils at 105°, is insoluble in water, but mixes in all proportions with alcohol and ether. pinacoline-alcohol, s. pin-a-cône, s. [Eng. pin ( ite ) (2), and ac ( et )one.] Chem.: C6H14O2=(CH3)2:C(OH):C(OH): which attends the recovery of circulation in a be- The double tertiary alcohol with the formula numbed limb. ( Colloquial.) pin-cop, s. Spinning : A yarn, roll-shaped like a pear, used resultant alkaline liquid. It crystalizes in color for the weft in power-looms. pin-drill, s. A drill for countersinking.