Definitions
There is 1 meaning of the phrase
Down Quark.
Down Quark - as a noun
A stable quark with an electric charge of -1/3 and a mass 607 times that of an electron
Example Sentences
"The down quark is one of the six flavors of quarks."
"The down quark has an electric charge of -1/3 e."
"Protons consist of two up quarks and one down quark."
"The down quark is the lightest of all quarks."
"In beta decay, a down quark transforms into an up quark."
