Definitions
an elementary, electrically neutral particle with a very small mass
Word origin
Coined by Italian physicist Enrico Fermi in 1933 from neutron + the Italian diminutive suffix -ino; by surface analysis, neutr(o)- + -ino.
Used in a sentence
“But researchers at the CERN lab near Geneva claim they have recorded neutrinos, a type of tiny particle, travelling faster than the barrier of 186,282 miles (299,792 kilometres) per second.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Nearly massless particle”8 letters
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