Medical Dictionary
oil
noun \ˈȯi(ə)l\
Medical Definition of OIL
1
: any of numerous unctuous combustible substances that are liquid or can be liquefied easily on warming, are soluble in ether but not in water, and leave a greasy stain on paper or cloth—see essential oil, fatty oil, volatile oil
2
: a substance (as a cosmetic preparation) of oily consistency <bath oil>
—oil adjective
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