| angular velocity n. The rate of change of angular displacement with respect to time. |   The  marks an angle of displacement as body b orbits. Angular velocity is the rate of change of with respect to time. |
| angular velocity The rate of change of an angle associated with an object with respect to some reference point. For example, the average angular velocity of an object moving around a central reference point once every second is 2  radians per second; the Earth spins around its axis with an angular velocity of 2 radians per day. Also called angular frequency. |
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| Noun | 1. | angular velocity - (physics) the rate of change of the angular position of a rotating body; usually expressed in radians per second or radians per minute natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics" |
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