1. to radiate again or emit radiation that has been absorbed
Usage: technical; physics

Examples

• The Earth absorbs solar energy during the day and reradiates it as heat at night.
• Dark surfaces reradiate more heat than light-colored ones.
• The satellite’s solar panels reradiate excess energy into space.
• When heated, the metal will reradiate thermal energy to its surroundings.
• The atmosphere reradiates some of the sun’s energy back to space.
• Scientists study how different materials reradiate electromagnetic waves.