radius of gyration
noun Physics.
the distance from an axis at which the mass of a body may be assumed to be concentrated and at which the moment of inertia will be equal to the moment of inertia of the actual mass about the axis, equal to the square root of the quotient of the moment of inertia and the mass.
Origin of radius of gyration
First recorded in 1875–80
Words nearby radius of gyration
radium therapy,
radius,
radius of action,
radius of convergence,
radius of curvature,
radius of gyration,
radius rod,
radius vector,
radix,
radix point,
radm
British Dictionary definitions for radius of gyration
radius of gyration
noun
a length that represents the distance in a rotating system between the point about which it is rotating and the point to or from which a transfer of energy has the maximum effect. Symbol: k or r . In a system with a moment of inertia I and mass m, k ² = I / m