MU-MESON
Meaning of MU-MESON in English
ˈ ̷ ̷| ̷ ̷ˌ ̷ ̷ noun
Etymology: mu (I) + meson
: a meson having a mass approximately 200 times that of the electron
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012