Meaning of NEUTRON in English

/nooh"tron, nyooh"-/ , n. Physics.

an elementary particle having no charge, mass slightly greater than that of a proton, and spin of 1 / 2 : a constituent of the nuclei of all atoms except those of hydrogen. Symbol: n

[ 1920-25; NEUTR(O)- + -ON 1 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .