a photographic picture featuring the subject in motion or action; also called action picture , action shot
The father took all kinds of action photographs at his son’s soccer match.
- Action potential
the change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals. noun a localized change in electrical potential, from about –70 mV to +30 mV and back again, that occurs across a nerve fibre during transmission of a nerve […]
- Action picture
noun See action photograph Contemporary Examples He was also reported to be starring in an action picture called Cancun, which has gone by the wayside. Is He Sabotaging His Career? Kim Masters March 8, 2010 Historical Examples In the action picture there is no adequate means for the development of any full grown personal passion. […]
- Action replay
. noun the rerunning of a small section of a television film or tape of a match or other sporting contest, often in slow motion US and Canadian name instant replay
- Action reporter
a news reporter who reports to the public on matters of special interest to the consumer.