Word.ws English Dictionary

Poynting's theorem

Poynting's theorem proper noun: a statement of conservation of energy for electromagnetic fields, stating that, in a given volume, the stored energy changes at a rate given by the work done on the charges within the volume, minus the rate at which energy leaves the volume.

Proper noun

Poynting's theorem

  1. A statement of conservation of energy for electromagnetic fields, stating that, in a given volume, the stored energy changes at a rate given by the work done on the charges within the volume, minus the rate at which energy leaves the volume.

Origin of Poynting's theorem

Developed by British physicist John Henry Poynting.

Questions about Poynting's theorem

What does Poynting's theorem mean?
Poynting's theorem means a statement of conservation of energy for electromagnetic fields, stating that, in a given volume, the stored energy changes at a rate given by the work done on the charges within the volume, minus the rate at which energy leaves the volume.
What part of speech is Poynting's theorem?
Poynting's theorem is a proper noun.

Words near Poynting's theorem in the dictionary

  1. Poynter
  2. Poynters
  3. poynting
  4. Poynting vector
  5. Poynting vectors
  6. Poynting's theorem
  7. Poynting-Robertson drag
  8. Poynting-Robertson effect
  9. Poynton
  10. Poynton with Worth
  11. poynts

Source and license

Adapted from Wiktionary: Poynting's theorem (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “Poynting's theorem.” Word.ws, https://word.ws/poynting%27s_theorem. Based on Wiktionary, CC BY-SA 4.0.