neutrino
neutrino
noun neh-oo-TREE-noh Rare
Origin: Coined by Enrico Fermi in 1933; Italian diminutive of neutrone (neutron).
Usage Note
Neutrino entered physics vocabulary through Italian: Fermi formed it as a diminutive of neutrone to mean 'little neutral one.' The word is used identically in Italian and English. The plural is regular: neutrini.
Examples
"Il neutrino ha una massa quasi nulla."
Natural Translation
The neutrino has an almost zero mass.
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