American Heritage® Dictionary of the English Language, Fourth Edition
- n. A gyroscope consisting of a rotating wheel in a rigid case.
Century Dictionary and Cyclopedia
- n. An instrument for illustrating the dynamics of rotation, composed of a box or case having a sharp bearing-edge in the form of regular polygon, and containing a fly-wheel having its center and its direction of rotation in the plane of the bearing-edge.
- n. A gyroscope fixed within a rigid case
GNU Webster's 1913
- n. (Physics) A modification of the gyroscope, consisting essentially of a fly wheel fixed inside a rigid case to which is attached a thin flange of metal for supporting the instrument. It is used in studying the dynamics of rotating bodies.
“In Fig. 2 the hooked rods are connected one to each of two opposite corners of a four-sided jointed frame, each member of which carries a gyrostat so that the axis of rotation of the fly-wheel is in the axis of the member of the frame which bears it.”
“What's the matter with my home-made gyrostat and anemometer?”
“Each of the hooked rods in Fig. 2 is connected to the framework through a swivel joint, so that the whole gyrostatic framework may be rotated about the axis of the hooked rods in order to annul the moment of momentum of the framework about this axis due to rotation of the fly-wheels in the gyrostat.] [Illustration: FIG.”
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