gyrometer
/ˈdʒaɪˌroʊmɪtər/Definitions
1. noun
A device for measuring the orientation of an object in three-dimensional space, often used in aircraft and navigation.
“The pilot relied on the gyrometer to keep the plane stable during turbulent weather.”
2. noun
A scientific instrument used to measure the angular velocity or orientation of a rotating body.
“The researchers used a gyrometer to study the rotation of the stars in the galaxy.”