triphyllous (trifilus)

three-leaved, pinnate. tripinnately (tri-pin'at-li), adv. In a tripinnate manner. tri pinnatifid (tri-pi-nat'i-fid), a. [ IMG:content-0899.png:[blocks in formation] Triple Alliance. (a) A league between England, Sweden, and the Netherlands, formed in 1668, and designed to check French aggre ions. (b) A league between France, Great Britain, and the Netherlands, formed in 1717, and directed chiefly against Spain. After the acce ion to it of Austria in 1718 it was known as the Quadruple Alliance. (c) An alliance between Germany, Austria-Hungary, and Italy, formed about 1883, and designed to check Ru ia and also France. It is chiefly the creation of Prince Bismarck, and by its provisions the three powers are bound to support one another in certain contingencies. Its influence has succeeded to that of the League of the Three Emperors (the German, Austrian, and Ru ian), which was also largely the creation of Bismarck. - Triple-coil nest spring, a form of spiral spring consisting of three coils fitted one within another. - Triple congruency. See congruency. - Triple counterpoint. See counterpoint2, 3 (c). -Triple crown, in her.: ( a ) Same as tiara, 5. (b) A bearing representing three royal or imperial crowns set one upon another in pale. Such a bearing, having also clouds at the base, forms part of the arms of the London Drapers' Company. - Triple-cylinder steam-engine, an engine having three cylinders connected at different angles with the same shaft, used to avoid a dead-center. Another form takes the steam from two cylinders, and exhausts alternately into a large one. - Triple equality. See double equality, under equality - Triple expansion-engine. See expansion - engine and steam - engine. - Triple fugue, a fugue with three subjects. See fugue. - Triple octave, in music, the interval of three octaves, or a tone at such an interval from a given tone. — Triple phosphate, phosphate of ammonium and magnesium, found in the urine in the shape of prismatic crystals.- Triple pile. See pile2. Triple plume, in her., three feathers combined in a plume or set side by side, as in the case of the ostrich-feather badge of the Prince of Wales, which has varied in design at different times. Triple point, line, plane, a point, line, or plane formed by the coincidence of three, and counting as three.-Triple progre ion, in music, an old name for a series of perfect fifths. - Triple ratio. See ratio. pinnatisect.] In bot., parted to the base in a tripinnate manner, as a leaf.