Physics.
any lepton, hadron, photon, or graviton, the particles once thought to be the indivisible components of all matter or radiation. Also called fundamental particle, particle .
[ 1930-35 ]
Physics.
any lepton, hadron, photon, or graviton, the particles once thought to be the indivisible components of all matter or radiation. Also called fundamental particle, particle .
[ 1930-35 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012