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| a chattering or flighty, light-headed person. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| velocity (vɪˈlɒsɪtɪ) | |
| —n , pl -ties | |
| 1. | speed of motion, action, or operation; rapidity; swiftness |
| 2. | physics u, v, w a measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time. It is measured in metres per second, miles per hour, etc |
| 3. | physics (not in technical usage) another word for speed |
| [C16: from Latin vēlōcitās, from vēlōx swift; related to volāre to fly] | |
velocity ve·loc·i·ty (və-lŏs'ĭ-tē)
n.
Rapidity or speed of motion; specifically, the distance traveled per unit time.
| velocity (və-lŏs'ĭ-tē) Pronunciation Key
The speed and direction of motion of a moving body. Velocity is a vector quantity. Compare acceleration, speed. |
The vector giving the speed and direction of motion of any object.