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Oil of vitriol   /ɔɪl əv vˈɪtriəl/   Listen
noun
Oil  n.  Any one of a great variety of unctuous combustible substances, more viscous than and not miscible with water; as, olive oil, whale oil, rock oil, etc. They are of animal, vegetable, or mineral origin and of varied composition, and they are variously used for food, for solvents, for anointing, lubrication, illumination, etc. By extension, any substance of an oily consistency; as, oil of vitriol. Note: The mineral oils are varieties of petroleum. See Petroleum. The vegetable oils are of two classes, essential oils (see under Essential), and natural oils which in general resemble the animal oils and fats. Most of the natural oils and the animal oils and fats consist of ethereal salts of glycerin, with a large number of organic acids, principally stearic, oleic, and palmitic, forming respectively stearin, olein, and palmitin. Stearin and palmitin prevail in the solid oils and fats, and olein in the liquid oils. Mutton tallow, beef tallow, and lard are rich in stearin, human fat and palm oil in palmitin, and sperm and cod-liver oils in olein. In making soaps, the acids leave the glycerin and unite with the soda or potash.
Animal oil, Bone oil, Dipple's oil, etc. (Old Chem.), a complex oil obtained by the distillation of animal substances, as bones. See Bone oil, under Bone.
Drying oils, Essential oils. (Chem.) See under Drying, and Essential.
Ethereal oil of wine, Heavy oil of wine. (Chem.) See under Ethereal.
Fixed oil. (Chem.) See under Fixed.
Oil bag (Zool.), a bag, cyst, or gland in animals, containing oil.
Oil beetle (Zool.), any beetle of the genus Meloe and allied genera. When disturbed they emit from the joints of the legs a yellowish oily liquor. Some species possess vesicating properties, and are used instead of cantharides.
Oil box, or Oil cellar (Mach.), a fixed box or reservoir, for lubricating a bearing; esp., the box for oil beneath the journal of a railway-car axle.
Oil cake. See under Cake.
Oil cock, a stopcock connected with an oil cup. See Oil cup.
Oil color.
(a)
A paint made by grinding a coloring substance in oil.
(b)
Such paints, taken in a general sense.
(c)
a painting made from such a paint.
Oil cup, a cup, or small receptacle, connected with a bearing as a lubricator, and usually provided with a wick, wire, or adjustable valve for regulating the delivery of oil.
Oil engine, a gas engine worked with the explosive vapor of petroleum.
Oil gas, inflammable gas procured from oil, and used for lighting streets, houses, etc.
Oil gland.
(a)
(Zool.) A gland which secretes oil; especially in birds, the large gland at the base of the tail.
(b)
(Bot.) A gland, in some plants, producing oil.
Oil green, a pale yellowish green, like oil.
Oil of brick, empyreumatic oil obtained by subjecting a brick soaked in oil to distillation at a high temperature, used by lapidaries as a vehicle for the emery by which stones and gems are sawn or cut.
Oil of talc, a nostrum made of calcined talc, and famous in the 17th century as a cosmetic. (Obs.)
Oil of vitriol (Chem.), strong sulphuric acid; so called from its oily consistency and from its forming the vitriols or sulphates.
Oil of wine, OEnanthic ether. See under OEnanthic.
Oil painting.
(a)
The art of painting in oil colors.
(b)
Any kind of painting of which the pigments are originally ground in oil.
Oil palm (Bot.), a palm tree whose fruit furnishes oil, esp. Elaeis Guineensis. See Elaeis.
Oil sardine (Zool.), an East Indian herring (Clupea scombrina), valued for its oil.
Oil shark (Zool.)
(a)
The liver shark.
(b)
The tope.
Oil still, a still for hydrocarbons, esp. for petroleum.
Oil test, a test for determining the temperature at which petroleum oils give off vapor which is liable to explode.
Oil tree. (Bot.)
(a)
A plant of the genus Ricinus (Ricinus communis), from the seeds of which castor oil is obtained.
(b)
An Indian tree, the mahwa. See Mahwa.
(c)
The oil palm.
To burn the midnight oil, to study or work late at night.
Volatle oils. See Essential oils, under Essential.


Vitriol  n.  (Chem.)
(a)
A sulphate of any one of certain metals, as copper, iron, zinc, cobalt. So called on account of the glassy appearance or luster.
(b)
Sulphuric acid; called also oil of vitriol. So called because first made by the distillation of green vitriol. See Sulphuric acid, under Sulphuric. (Colloq.)
Blue vitriol. See under Blue.
Green vitriol, ferrous sulphate; copperas. See under Green.
Oil of vitriol, sulphuric or vitriolic acid; popularly so called because it has the consistency of oil.
Red vitriol, a native sulphate of cobalt.
Vitriol of Mars, ferric sulphate, a white crystalline substance which dissolves in water, forming a red solution.
White vitriol, zinc sulphate, a white crystalline substance used in medicine and in dyeing. It is usually obtained by dissolving zinc in sulphuric acid, or by roasting and oxidizing certain zinc ores. Formerly called also vitriol of zinc.





Collaborative International Dictionary of English 0.48


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"Oil of vitriol" Quotes from Famous Books



... diseases, in bleaching stuffs, and in the manufacture of paper from vegetable fibers, and in the manufacture of gelatine extracted from bones, as well as in fermenting molasses and in the manufacture of sugar from beet root. Sulphur is also used in the preparation of gunpowder and oil of vitriol, and in the manufacture of matches and ...
— Scientific American Supplement, No. 647, May 26, 1888 • Various
... is exact: 'Lear's self-supportless leaning for all pleasure on another's breast.' If a man desires not to go mad or not to be soured into oil of vitriol, let him watch the doors of his heart; let him never solicit ...
— More Pages from a Journal • Mark Rutherford
... disagreeable as possible, he has mixed together the fumes of hydrochloric acid and ammonia from two retorts shown in Fig. 7. A still simpler way of doing the same thing is to put a little common salt in a saucer and pour over it a little oil of vitriol; this is put into the box, and over the floor of the box common smelling-salts is to be scattered. You see there are dense volumes of white smoke escaping from every corner of the box. I uncover the opening and give a push to the canvas, and you see a ...
— Young Folks' Library, Volume XI (of 20) - Wonders of Earth, Sea and Sky • Various
... flinger repeating such words as "sentimentality" and "entusymusy,"—one of the least admirable of Lord Byron's bequests to our language,—for the purpose of ridiculing him into silence. An overdressed woman is not so pleasing as she might be, but at any rate she is better than the oil of vitriol squirter, whose profession it is to teach young ladies to avoid vanity by spoiling their showy ...
— The Autocrat of the Breakfast-Table • Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)
... pure fixed alkaline salt, and an ounce of water, were put into a Florentine flask, which, together with its contents, weighed two ounces and two drams. Some oil of vitriol diluted with water was dropt in, until the salt was exactly saturated; which it was found to be, when two drams, two scruples, and three grains of this acid had been added. The vial with its contents now weighed two ounces, four ...
— Experiments upon magnesia alba, Quicklime, and some other Alcaline Substances • Joseph Black


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