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blackbody
This term is a specialized technical descriptor used almost exclusively within physics and thermodynamics. It describes a theoretical ideal rather than a common physical object, serving as a baseline for understanding how energy is emitted and absorbed across the electromagnetic spectrum.
In academic and professional contexts, it is frequently paired with the term radiation to describe the specific spectrum of light emitted by such an object. While it can be used as a noun to describe the object itself, it often functions as a modifier in compound terms like blackbody radiation or blackbody spectrum.
Meanings
Examples
A blackbody absorbs all incoming radiation without reflecting any of it.
The professor explained that a perfect blackbody is a theoretical ideal.
Does the sun behave like a blackbody in this model?
The emission spectrum of a blackbody depends solely on its temperature.
I wonder if we can approximate a blackbody using a small hole in a cavity.
Planck solved the ultraviolet catastrophe by rethinking blackbody radiation.
Planck solved the ultraviolet catastrophe by rethinking blackbody radiation.
The sensor was calibrated using a standard blackbody source.
We must assume the object is a blackbody for the sake of this calculation.