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An oily, viscous liquid, C3H5(OH)3, colorless and odorless, and with a hot, sweetish taste, existing in the natural fats and oils as the base, combined with various acids, as oleic, margaric, stearic, and palmitic. It is a triatomic alcohol, and hence is also called glycerol. See Note under Gelatin.…

Animal fat, as tallow or lard, especially when in a soft state; oily or unctuous matter of any kind.

Composed of, or characterized by, grease; oily; unctuous; as, a greasy dish.

d in the root of the elecampane (Inula helenium), and extracted as a white crystalline or oily material, with a slightly bitter taste.

Of, pertaining to, or derived from, mutton suet; -- applied by Chevreul to an oily acid which was obtained from mutton suet, and to which he attributed the peculiar taste and smell of that substance. The substance has also been called hircin. Watts.

An oily substance prepared by the dry distillation of a bituminous mineral containing fossil fishes. It is used in medicine as a remedy in some forms of skin diseases.

A nitrogenous substance, C8H7NO, isomeric with oxindol, obtained as an oily liquid.

An oily liquid, Cl3.CHO, analogous to chloral and bromal.

A nitrogenous base C10H9N, extracted from coal-tar naphtha, as an oily liquid. It is a member of the quinoline series, and is probably identical with lepidine.

Pertaining to, derived from, or designating, an acid, HO.C2H4.SO3H, obtained as an oily or crystalline substance, by the action of sulphur trioxide on alcohol or ether. It is derivative of sulphuric acid.

An oily, volatile hydrocarbon, obtained by the distillation of caoutchouc or guttaipercha.C5H8 -- unsaturated, and used to make synthetic rubber by polymerization. In organic chemistry, viewed conceptually as the building block of the terpene series of hydrocarbons

he reduction of certain isonitroso compounds of the ketones. In general they are unstable oily substances having a pungent aromatic odor.

ng a light step. (b) Fleet. -- Light of heart, gay, cheerful. -- Light oil (Chem.), the oily product, lighter than water, forming the chief part of the first distillate of coal tar, and consisting largely of benzene and toluene. -- Light sails (Naut.), all the sails above the topsails, with, also, the studding sails…

freedom; as, benzine and mercury are mobile liquids; -- opposed to viscous, viscoidal, or oily.

A complex, oily, nitrogenous base, isomeric with nicotine, and obtained by the reduction of certain derivatives of the pyridine group.

An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. It is intensely poisonous. Ure.

A salt of nitrous acid. Amyl nitrite, a yellow oily volatile liquid, used in medicine as a depressant and a vaso-dilator. Its inhalation produces an instantaneous flushing of the face.

A nitro derivative of methane, analogous to chloroform, obtained as a colorless oily or crystalline substance, CH.(NO2)3, quite explosive, and having well-defined acid properties.

Any one of a series of nitro derivatives of phenol. They are yellow oily or crystalline substances and have well-defined acid properties, as picric acid.

A substance which sheathes a part, or blunts irritation, usually some bland, oily, or mucilaginous matter; -- nearly the same as demulcent. Forsyth.