a quark with a charge of -1/3 and a mass about 10,000 times that of an electron
having a rounded bottom
a depression forming the ground under a body of water
(physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3
fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet
