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1. Any of
numerous mineral, vegetable, and synthetic substances and
animal and vegetable fats that are generally slippery,
combustible, viscous, liquid or liquefiable at room
temperatures, soluble in various organic solvents such as
ether but not in water, and used in a great variety of
products, especially lubricants and fuels.
2a. Petroleum. b. A petroleum derivative, such
as a machine oil or lubricant.
3. A substance with an oily consistency.
4. Oil paint.
5. A painting done in oil paint.
6. Insincere flattery
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