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.

Dutch: quark
Polish: kwark

Fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet.

synonym: quark cheese.

Dutch: kwark
Polish: ser twarogowy, twaróg