What does the word oil mean?
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A liquid of fatty consistence and unctuous feel, insoluble in water, soluble or not in alcohol, freely soluble in ether, and inflammable. Oils are variously classified into animal, vegetable, and mineral oils according to their source ( the mineral oils, are probably of remote animal or vegetable origin); into fixed or fatty ( olea pinguia) and volatile or ethereal or essential ( olea volatilia, ( aetherea, essentialia) oils, the former being permanent, leaving a stain on an absorbent surface, the latter evaporating when exposed to the air and being capable of distillation; and into drying and non- drying ( fatty) oils, the former becoming gradually thicker when exposed to the air and finally drying to a varnish, the latter not drying but liable to become rancid on exposure. The volatile oils are of vegetable origin; the fatty oils are of both animal and vegetable origin. Many of the oils, both fixed and volatile, are employed in medicine; see oleum.
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A collective name, under which two classes of fluids are included, very different from each other: those belonging to the one class, are viscid, mawkish or almost insipid; those of the other are nearly devoid of viscidity, and are caustic and very volatile. The former are called fat or fixed oils; the latter volatile or essential oils or essences.
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Usage examples for oil
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Again the aunt poured oil: " Come, children, come! – Peter A Novel of Which He is Not the Hero by F. Hopkinson Smith
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Malipieri had put out the lamp, and the lantern had gone out for lack of oil, at the last moment. – The Heart of Rome by Francis Marion Crawford
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There's blood in a body, but no oil. – The Patchwork Girl of Oz by L. Frank Baum
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