noun
definition
A volatile essential oil obtained from the wood of pine trees by steam distillation; it is a complex mixture of monoterpenes; it is used as a solvent and paint thinner.
verb
definition
To drain resin from (a tree) for use in making turpentine.
Examples of turpentine in a Sentence
He began his experimental work in 1841 with investigations of oil of turpentine and tolu balsam, in the course of which he discovered toluene.
Other subjects on which he published papers were the inflammation of turpentine and other essential oils by nitric acid, and the methods of embalmment practised by the Egyptians.
The leased convicts are employed in the turpentine and lumber industries and in the phosphate works.
It thus possesses the same composition as the hydrocarbon of gutta-percha and as that of oil of turpentine and other terpenes which are the chief components of essential oils.
Less known turpentines are obtained from the mountain pine, P. Pumilio, the stone pine, P. Cembra, the Aleppo pine, P. halepensis, &c. The so-called Canada balsam, from Abies balsamea, is also a true turpentine.
Oil of turpentine is a colourless liquid of oily consistence, with a strong characteristic odour and a hot disagreeable taste.
Chemically, oil of turpentine is a more or less complex mixture of hydrocarbons generically named terpenes.
Oil of turpentine is largely used in the preparation of varnishes and as a medium by painters in their "flat" colours.
Oil of turpentine (Oleum terebinthinae) is administered internally as an anthelmintic to kill tapeworm.
In large doses oil of turpentine causes purging and may induce much haemorrhage from the bowel; it should be combined with some trustworthy aperient, such as castor oil, when given as an anthelmintic. It is readily absorbed unchanged and has a marked contractile action upon the blood vessels.
Perhaps the most valuable of all the medicinal applications of turpentine, and one which is rarely, if ever, mentioned in therapeutic textbooks - owing to the fact that gynaecology has been so extremely specialized - is in inoperable cancer of the uterus.
The exhausting pain, the serious haemorrhages, and the abdominal septicity associated with a repulsive odour and the absorption of toxic products, which are the chief and ultimately fatal symptoms of that disease, are all directly combated by the administration of oil of turpentine.
So beneficial is the action that for years there prevailed the unfortunately erroneous belief that Chian turpentine is actually curative in this condition.
Old turpentine and French oil of turpentine are antidotes to phosphorus, forming turpentine-phosphoric acid, which is inert.
The separation of the oleo-resin into the essential oil-spirit of turpentine and common rosin is effected by distillation in large copper stills.
Rosin varies in colour, according to the age of the tree whence the turpentine is drawn and the amount of heat applied in distillation, from an opaque almost pitchy black substance through grades of brown and yellow to an almost perfectly transparent colourless glassy mass.
American rosin is obtained from the turpentine of the swamp pine, Pinus australis, and of the loblolly pine, P. Taeda.
Among its manufactures are lumber (especially yellow-pine), wood-alcohol, turpentine, paper and pulp, fertilizers, wagons, mattresses and machine-shop products.
Some use is also made of the forest resources of the state in the manufacture of veneer, paper pulp, turpentine and other chemicals.
The treatment consists in the use of enemata containing quassia, carbolic acid, vinegar or turpentine or even common salt.
Even so nearly related oils as the oils of turpentine, if obtained from different sources, rotate the plane of the polarized light in opposite directions.
One of the earliest triumphs of synthetical chemistry in this direction was the production of terpineol, the artificial lilac scent, from oil of turpentine.
In the arts, oil of turpentine is used on the largest scale in the manufacture of varnishes, and in smaller quantities for the production of terpineol and of artificial camphor.
The concreted turpentine obtained in the United States by making incisions in the trunk of a species of pine, Pinus australis, is also so designated.
The best known of these are cloves, pimento (allspice), myrtle, eucalyptus, caraway, fennel, dill, coriander, rosemary, lavender, peppermint, spearmint, nutmeg, cinnamon, sandal-wood, turpentine, juniper berries, valerian and sumbul.
Using mediums and varnish thinners, turpentine and linseed oil all work much as they do with conventional tube oil paints.
You may be able to clip off the small areas of affected hair, but never use turpentine or paint remover on your cat.
The first thing Vera stressed when making polish of any sort was to use only genuine turpentine.
Portions most liable to destruction, those parts between the tide marks, were found perfectly sound, and showed no signs of the ravages of marine organisms. Other valuable timber trees of the eastern portion of the continent are the blackbutt, tallow-wood, spotted gum, red gum, mahogany, and blue gum, eucalyptus; and the turpentine (Syncarpialaurifolia), which has proved to be more resistant to the attacks of teredo than any other timber and is largely used in wharf construction in infested waters.
The same authorities recommend a powder, composed of larvicide (an aniline substance), chrysanthemum flowers, and valerian root, to be burnt in bedrooms. Anointing the skin with strong-smelling substances is of little use in the open air, but more effective in the house; turpentine appears to be the best.
They are largely used in the arts, being separated by distillation into rosin or colophony (see RosiN), and oil or spirit of turpentine.
Using mediums and varnish Thinners, turpentine and linseed oil all work much as they do with conventional tube oil paints.
A painting more than fifty years old may be safely wiped over with turpentine substitute applied lightly with a soft pad.
To bring out the color in the tiles beeswax and turpentine polish can be used.
The incidence of turpentine contact dermatitis has declined in countries where legislation has resulted in the substitution of other solvents.
S. terebinthinaceum has a strong turpentine odour.
It is insoluble in water,' but readily soluble in carbon bisulphide, sulphur chloride and oil of turpentine.
All the species exude resin, but no turpentine.
Pine stumps and waste limbs are utilized, notably at Hattiesburg, for the manufacture of charcoal, tar, creosote, turpentine, &c. Fisheries Fishing is a minor industry, confined for the most part to the Mississippi Sound and neighbouring waters and to the Mississippi and Yazoo rivers.
In some localities, especially in the " Florida parishes," small quantities of rosin and turpentine are taken from the long-leaf pine, but this industry was unimportant in Louisiana before 1908.
Lubarsch succeeded in inducing it merely by the subcutaneous injection of turpentine, which produces its result, it is said, by exciting an abscess.
Nowak, however, found later that he could generate it where the turpentine failed to induce suppuration; he believes that it may arise quite apart from the influence of the organisms of suppuration, that it is not a biological product of the micro-organisms of disease, and also that it has nothing to do with emaciation.
Moulds for reproducing plates or art-work are often taken in plaster, beeswax mixed with Venice turpentine, fusible metal, or guttapercha, and the surface being rendered conductive by powdered black-lead, copper is deposited upon it evenly throughout.
The value of the turpentine and rosin products in 1905 was $2,434,365.
In Tirol, a single hole is made near the root of the tree in the spring; this is stopped with a plug, and the turpentine is removed by a scoop in the autumn; but each tree yields only from a few ounces to z lb by this process.
Real larch turpentine is a thick tenacious fluid, of a deep yellow colour, and nearly transparent; it does not harden by time; it contains 15% of the essential oil of turpentine, also resin, succinic, pinic and sylvic acids, and a bitter extractive matter.
The timbers in the second class are obtained from non-coniferous trees, containing no turpentine or resin, and are given the general name of hard woods.
It is found in Kumaon and Bhotan and on some of the Nepal ranges, but does not grow in the moist climate of the Sikkim Himalayas; it is found at a height of 7000 to 12,000 ft., and attains large dimensions; the wood is highly resinous, and is said to be durable; great quantities of a white clear turpentine exude from the branches when injured.
In subsequent receipts saltpetre and turpentine make their appearance, and the modern "carcass composition," containing sulphur, tallow, rosin, turpentine, saltpetre and crude antimony, is a representative of the same class of mixtures, which became known to the Crusaders as Greek fire but were more usually called wildfire.
Phosphorus is nearly insoluble in water, but dissolves in carbon bisulphide, sulphur chloride, benzene and oil of turpentine.