Words: mu neutrino muon neutrino
Part of speech: n
Definition: the neutrino associated with the muon.
Example: In 1962, Leon M. Lederman, Melvin Schwartz and Jack Steinberger showed that more than one type of neutrino exists by first detecting interactions of the muon neutrino (already hypothesised with the name neutretto), which earned them the 1988 Nobel Prize in Physics.