Dictionary

pi-meson

pi–meson

noun pi–me·son \ˈpī-ˈme-ˌzän, -ˈmā-, -ˈmē-, -ˌsän\

Definition of PI-MESON

:  pion

Origin of PI-MESON

1pi
First Known Use: 1947

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February 28, 2015
pontificate Hear it
To speak pompously or dogmatically
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