noun
- an idealized object that absorbs all electromagnetic radiation falling on it and emits radiation based only on its temperature
Usage: physics
Examples
- A blackbody radiator emits energy at all wavelengths.
- The sun approximates a blackbody at 5800 Kelvin.
- Blackbody radiation follows Planck’s law of thermal emission.
- Scientists use blackbody curves to study stellar temperatures.
- The cosmic microwave background resembles blackbody radiation.
- Blackbody theory helped establish quantum mechanics.