Meaning : (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.
Example :
Quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally.
Meaning : Fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet.
Synonyms : quark cheese