n.
Pronunciation: ' ber- ē - ˌ än, ' ba-r ē -
Function: noun
Etymology: International Scientific Vocabulary bary- (fr. Greek barys heavy) + 2 -on ― more at GRIEVE
Date: 1953
: any of a group of subatomic particles (as nucleons) that are subject to the strong force and are composed of three quarks
– bary · on · ic \ ˌ ber- ē - ' ä-nik, ˌ ba-r ē - \ adjective