any of numerous mineral, vegetable and synthetic substances, and animal or vegetable fats that are generally unctuous, slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents, but not in water, hüdrofoobne (märgumatu) ja lipofiilne (rasvlahustuv) aine, mis esineb toatemperatuuril viskoosse vedelikuna
