what is a netrino
A neutrino (/nuËËtriËnoÊ/ or /njuËËtriËnoÊ/ , in Italian [nÉuËtrino]) is an electrically neutral elementary particle with half-integer spin. The neutrino (meaning little neutral one in Italian) is denoted by the Greek letter Î½ (nu).Neutrinos have mass, but tiny even compared to other subatomic particles.he neutrino (meaning little neutral one in Italian) is denoted by the Greek letter Î½ (nu). Neutrinos have mass, but tiny even compared to other subatomic particles.