funds awarded by the federal government on a competitive basis to cities that submit plans for urban development and are able to show that such plans have the cooperation and endorsement of private investors.
- Action line
a telephone line maintained by a newspaper, television station, or other medium to provide the public a ready means of expressing complaints or obtaining information about matters of vital interest.
- Action painting
(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 […]
- 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 […]