Definitions
1.nounThe state of moving quickly or the capacity for rapid motion; rapidity."How does Usain Bolt run at that speed?"
2.nounThe rate of motion or action, specifically / the magnitude of the velocity; the rate distance is traversed in a given time."Speed limits provide information to the drivers about the safe speed to travel in average conditions."
3.nounThe sensitivity to light of film, plates or sensor.
4.nounThe duration of exposure, the time during which a camera shutter is open (shutter speed).
5.nounThe largest size of the lens opening at which a lens can be used.
6.nounThe ratio of the focal length to the diameter of a photographic objective.
7.nounAmphetamine or any amphetamine-based drug (especially methamphetamine) used as a stimulant, especially illegally.
8.nounLuck, success, prosperity.
9.nounPersonal preference."We could go to the shore next week, or somewhere else if that's not your speed."
10.nounA third-order measure of derivative price sensitivity, expressed as the rate of change of gamma with respect to changes in the underlying asset price.