boson
boson (bō"zon) , noun
[From S. N. Bose, an Indian physicist.]
(Physics) A fundamental particle that obeys Bose-Einstein statistical rules, but not the Pauli exclusion principle; the spin value of a boson is always an integer. Examples of bosons are alpha particles, photons, and those nuclei which have an even mass number.
boson (bō"s'n) , noun