Triangle of Forces
in mechanics, a term applied to that proposition which asserts that if three forces, represented in magnitude and direction by the sides of a triangle taken in order, act on a point, they will be in equilibrium; and conversely, if three forces acting on a point, and in equilibrium, be represented in direction by the sides of a triangle taken in order, they will also be represented in magnitude by the sides of that triangle.
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Triangle of Hesselbach
in anatomy, a triangular interval at the part of the abdominal wall through which the direct inguinal hernia passes.
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Triangle of Scarpa
in anatomy, a triangular depression between the muscles covering the outer side of the femur and the adductor muscles on the inner side. It affords a passage for the femoral artery.
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Triangulum
in astronomy, the triangle; one of the 48 ancient constellations. It is of small size, and is situated S. E. of Andromeda, N. of Aries, and W. of Perseus. The largest star, Alpha Trianguli, is only of the third magnitude.
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Triangulum Australe
in astronomy, the Southern Triangle; a S. constellation of small size, but having the three stars which define it so prominent that they are sometimes called the triangle stars. The constellation is between Pavo and Centaurus.
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Triangulum Minus
in astronomy, the Lesser Triangle; an obsolete constellation of small size between Triangulum and Aries. It was established by Hevelius.
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Trianosperma
Important: Safety Warning
This page prescribes plants as medicine according to pre-modern medical theory. Several of the plants named are toxic, correct identification is difficult, and the doses given have no scientific basis. Do not ingest or apply any preparation described here.
This information has been left in for historical purposes but should not be acted upon.
in botany, a genus , but havof Cucurbiteæ, akin to Bryonia ing only three seeds. They are climbing plants, with tendrils and monecious flow- Stamens three, ovary three-celled. ers. Fruit globular, fleshy. Natives of the West Indies and Brazil. T. ficifolia, called also B. ficifolia, is an active purgative, and said to be a purifier of the blood. T. tayuya is given in Brazil in small doses as an emetic and in large ones as a purgative.
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Tribe
an aggregate of stocks-a stock being an aggregate of persons considered to be kindred-or an aggregate of families, forming a community usually under the government of a chief. The chief is possessed of despotic power over the members of the tribe, which is one of the earliest forms of the community among all the races of men.
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Tribonianus
a Roman jurist of the 6th century, of Macedonian parentage, but born in Paphlagonia. He held under the Emperor Justinian the offices of quæstor, master of the imperial household, and consul. He is famous chiefly through his labors in connection with the Code of Justinian and the Pandects. He died in 545.
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Tribuni Plebis
Magistrates at Rome created in the year u. C. 261. The office of Tribune to the people was one of the first steps which led to more honorable employments.
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Trichia
in botany, a genus of Myxogastres or gasteromycetous Fungi, having a stalked or sessile, simple, membranous peridium bursting at the summit; spiral threads, which carry with them the spores. The threads and spores are often bright colored. Species numerous, occurring on rotten wood, etc.
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Trichiasis
in pathology, the growth of one or more of the eyelashes in a wrong direction, ultimately bringing it in contact with the anterior portion of the eyeball. Sometimes this is the natural mode of growth, but more frequently it is produced by a disease of the eyelid, or its inversion. The cure is slowly and steadily to remove each eyelash eyelash with a broad-pointed and welland then repeatedly apgrooved forceps, ply spirits of wine to the place to destroy the follicles.
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Trichidium
in botany, a tender, simple, or sometimes branched hair, which bears the spores of certain fungals, as in the genus Geastrum
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Trichilia
in botany, the typical genus of Trichilieæ. Trees or shrubs with unequally pinnate, rarely trifoliolate leaves; flowers in axillary panicles; calyx four or five cleft; petals four or five overlapping; stamens 8 or 10, united into tube; fruit capsular, three-celled; a seeds, two in each cell. Known species about 20, the majority from America, the remainder from Africa. The bark of Trichilia emetica, called by the Arabs roka and elcaija, is a violent purgative and emetic. The Arab women mix the fruits with the perfumes used for washing their hair; the seeds are made into an ointment with sesamum oil, and used as a remedy for the itch. T. cathartica is also a purgative. T. moschata, a Jamaica plant, has an odor of musk wood. T. catigoa, now Moschoxylon catigoa, the catigua of Brazil, stains leather a bright yellow.
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Trichinopoli
the chief town of the district of the same name, Madras presidency, British India; on the Cauvery river; 320 miles S. S. W. of Madras. It is celebrated for its fort, which was built (circa 1570) by a native prince of Madura, and formed the object of all the wars between the English and the French in Southern India between 1749 and 1763, when Clive first rose to fame. The fort occupies a granite cliff rising 500 feet above the plain, crowned with a small pagoda, with a cave temple hewn out of its S. face. The walls have been leveled and the most filled up, and the whole is now being laid out as a boulevard. Trichinopoli is the headquarters of the brigadier commanding the Southern Division of the Madras army. There are barracks for European troops and artillery. In the church is the tomb of Bishop Heber, who died here in 1826. The manufactures include jewelry, paintings on talc, paper and pith pith orna ornaments. Pop. about 124,000. The district of Trichinopoli, which lies on both banks of the Cauvery, landward of Tranjore, has an area of 3,515 square miles. It abounds with gneiss, granite, iron ore and limestone. The products are rice, cotton, sugar, oil seeds, and tobacco. The exports include saltpeter, hewn stone for building, and grindstones. The imports are English piece goods. Besides the manufactures of the town, basket boats are made of wicker work covered with hides.
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Trickett
WILLIAM, an American lawyer; born in England, in 1840; was graduated at Dickinson College in 1868 and was admitted to the bar in 1876. He was made dean of Dickinson School of Law in 1890; was candidate for the Superior Court of Pennsylvania on the Democratic ticket in 1898. He was the author of "Law of Liens in Pennsylvania" (3 vols. 1882); "Law of Limitations in Pennsylvania" (1884); "Law of Assignments in Pennsylvania" (1884); "Law of Boroughs in Pennsylvania" (2 vols. 1893 and 1898); "Law of Streets and Roads in Pennsylvania" (1894); "Law of Guardians in Pennsylvania" (1900); and "Law of Partition in Pennsylvania" (1900).
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