Charm quark
WordNet
noun
(1) A quark with an electric charge of +2/3 and a mass 2900 times that of an electron and a charm of +1
WiktionaryText
Noun
- A quark having a fractional electric charge of +2/3 and a mass about 1150 to 1350 MeV. Symbol: c
See also
- up quark
- down quark
- strange quark
- top quark / truth quark
- bottom quark / beauty quark
- anti-charm quark