down quark

1. 1.

   a stable quark with an electric charge of -1/3 and a mass 607 times that of an electron

   Broaderquark

Questions about down quark

What does down quark mean?

down quark means "a stable quark with an electric charge of -1/3 and a mass 607 times that of an electron".

Is down quark a common word?

down quark is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.