Dictionary

gyroscope

noun gy·ro·scope \ˈjī-rə-ˌskōp, British also ˈgī-\

: a wheel that spins quickly and is held in a frame that allows it to tilt in any direction

Full Definition of GYROSCOPE

:  a wheel or disk mounted to spin rapidly about an axis and also free to rotate about one or both of two axes perpendicular to each other and to the axis of spin so that a rotation of one of the two mutually perpendicular axes results from application of torque to the other when the wheel is spinning and so that the entire apparatus offers considerable opposition depending on the angular momentum to any torque that would change the direction of the axis of spin
gy·ro·scop·ic \ˌjī-rə-ˈskä-pik\ adjective
gy·ro·scop·i·cal·ly \-pi-k(ə-)lē\ adverb

Illustration of GYROSCOPE

Origin of GYROSCOPE

French
First Known Use: 1856
GYROSCOPE Defined for Kids

gyroscope

noun gy·ro·scope \ˈjī-rə-ˌskōp\

Definition of GYROSCOPE for Kids

:  a wheel mounted to spin rapidly so that its axis is free to turn in various directions

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