a gas, electric, or microwave oven equipped with a fan that circulates and intensifies the heat, thereby decreasing the normal cooking time.
- Convection zone
convection zone A region of turbulent plasma between a star’s core and its visible photosphere at the surface, through which energy is transferred by convection. In the convection zone, hot plasma rises, cools as it nears the surface, and falls to be heated and rise again.
noun, Meteorology. 1. any manifestation of convection in the atmosphere, as hail or thunderstorms.
noun, Physics. 1. the repulsion of ions of a gas by a highly charged body, creating a discernible wind.
- Convective heat
convective heat con·vec·tive heat (kən-věk’tĭv) n. Heat conveyed to the body by a moving warm medium, such as air or water.