Share this entry
black body Line breaks: black body

Entry from British & World English dictionary

Definition of black body in English:


A hypothetical perfect absorber and radiator of energy, with no reflecting power.
Example sentences
  • A black body is one that perfectly absorbs all the radiation falling on it and then re-emits all of that radiation.
  • In 1908 Einstein became a lecturer at the University of Bern after submitting his habilitation thesis which followed from the energy distribution law of black bodies.
  • The Sun radiates approximately as a black body with a temperature of 5800 K, which peaks in the optical region at a wavelength of about 0.6 m.
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources