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