Top quark
WordNet
noun
(1) A hypothetical quark with a charge of +2/3 and a mass more than 100,000 times that of an electron
WiktionaryText
Noun
- A quark having a fractional electric charge of +2/3 and a mass about 178,000 MeV. Symbol: t
See also
- up quark
- down quark
- charm quark
- strange quark
- bottom quark / beauty quark
- anti-top quark