Gyroscope
Gyroscope Gy"ro*scope (j[imac]"r[-o]*sk[=o]p), n. [Gr. gy^ros ring, circle + -scope.] 1. A rotating wheel, mounted in a ring or rings, for illustrating the dynamics of rotating bodies, the composition of rotations, etc. It was devised by Professor W. R. Johnson, in 1832, by whom it was called the {rotascope}. [1913 Webster]

2. A form of the above apparatus, invented by M. Foucault, mounted so delicately as to render visible the rotation of the earth, through the tendency of the rotating wheel to preserve a constant plane of rotation, independently of the earth's motion. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • gyroscope — [ ʒirɔskɔp ] n. m. • 1852; de gyro et scope ♦ Appareil comprenant un gyrostat et utilisant ses propriétés particulières, dues à la rapidité de son mouvement de rotation (fixité de l orientation de son axe, effet gyroscopique [précession],… …   Encyclopédie Universelle

  • gyroscope — heavy rotating wheel with an axis free to turn in any direction, 1856, invented and named in French 1852 by Foucault, from Gk. gyros circle (see GYRE (Cf. gyre)) + skopos watcher (see SCOPE (Cf. scope) (1)), because the device demonstrates that… …   Etymology dictionary

  • gyroscope — ► NOUN ▪ a device, used to provide stability or maintain a fixed orientation, consisting of a wheel or disc spinning rapidly about an axis which is itself free to alter in direction. DERIVATIVES gyroscopic adjective …   English terms dictionary

  • gyroscope — [jī′rō skōp΄, jī′rəskōp΄] n. [ GYRO + SCOPE] a wheel mounted in a set of rings so that its axis of rotation is free to turn in any direction: when the wheel is spun rapidly, it will keep the original direction of its rotation axis no matter which …   English World dictionary

  • Gyroscope — A gyroscope is a device for measuring or maintaining orientation, based on the principles of angular momentum [ [http://demonstrations.wolfram.com/Gyroscope/ Gyroscope] by Sándor Kabai, The Wolfram Demonstrations Project.] [… …   Wikipedia

  • Gyroscope — Exemple de gyroscope avec trois degrés de liberté de rotation autour de trois axes. Le rotor (plateau central en rotation) gardera son axe de rotation fixe quelles que soient les orientations des cercles extérieurs. Un gyroscope (du grec… …   Wikipédia en Français

  • gyroscope — gyroscopic /juy reuh skop ik/, adj. gyroscopically, adv. /juy reuh skohp /, n. an apparatus consisting of a rotating wheel so mounted that its axis can turn freely in certain or all directions, and capable of maintaining the same absolute… …   Universalium

  • gyroscope — A rapidly spinning wheel with its weight concentrated on its rim and having a freedom in one or more planes at right angles to the plane of rotation. Gyroscopes have two basic characteristics of rigidity in space and precession. Because of… …   Aviation dictionary

  • gyroscope — UK [ˈdʒaɪrəˌskəʊp] / US [ˈdʒaɪrəˌskoʊp] noun [countable] Word forms gyroscope : singular gyroscope plural gyroscopes a wheel that stays steady when it spins around inside a frame, used for controlling the movement of ships and aircraft or as a… …   English dictionary

  • gyroscope — giroskopas statusas T sritis automatika atitikmenys: angl. gyro; gyroscope vok. Kreisel, m; Kreisel gerät, n rus. гироскоп, m pranc. gyro, m; gyroscope, m …   Automatikos terminų žodynas

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