Definition of boson in English:


Line breaks: boson
Pronunciation: /ˈbəʊzɒn


  • A subatomic particle, such as a photon, which has zero or integral spin and follows the statistical description given by S. N. Bose and Einstein. Compare with fermion.
    More example sentences
    • The two farthest-reaching bosons are the graviton, the gauge boson for gravity, and the photon, the gauge boson for electromagnetism.
    • The photon, a boson, has a fermion partner called the photino.
    • The Pauli exclusion principle does not apply, however, to particles with integral spin, known as bosons, such as photons.


1940s: named after S. N. Bose (see Bose, Satyendra Nath) + -on.

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