Definition of antimatter in English:

Share this entry

antimatter

Pronunciation: /ˈantɪˌmatə/

noun

[mass noun] Physics
Matter consisting of elementary particles which are the antiparticles of those making up normal matter.
Example sentences
  • In the enormous densities of the early moments of the Big Bang the result would have been a catastrophic annihilation of matter and antimatter into radiation.
  • There is both matter (such as electrons) and oppositely charged antimatter (such as positrons).
  • Paul Dirac predicted the existence of antimatter with his relativistic wave equation in 1928.

For editors and proofreaders

Line breaks: anti|mat¦ter

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.