(sometimes initial capital letters). Also called tachism. a style of American abstract expressionist painting typified especially in the works of Jackson Pollack and Willem de Kooning in the 1940s, in which the furiously energetic and free application of the paint is seen as being expressive of the psychological and emotional state of the artist at the moment of creation.
a development of abstract expressionism evolved in the 1940s, characterized by broad vigorous brush strokes and accidental effects of thrown, smeared, dripped, or spattered paint Also called tachisme See also abstract expressionism
- Action photograph
noun a photographic picture featuring the subject in motion or action; also called action picture , action shot Examples 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