G2Y4R1O1S1C3O1P3E1
17 points
GYROSCOPE is validvalid
[n GYROSCOPES]
a wheel or disc mounted so that it can spin rapidly about an axis which itself can rotate about either of two other axes perpendicular to it and to each other [n -S]
[n GYROSCOPES]
a wheel or disc mounted so that it can spin rapidly about an axis which itself can rotate about either of two other axes perpendicular to it and to each other [n -S]