some situation or event that is thought about; "he kept drifting off the topic"; "he had been thinking about the subject for several years"; "it is a matter for the police"
the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)
a social policy or racial segregation involving political and economic and legal discrimination against people who are not Whites; the former official policy in South Africa
an earthy type of jazz combining it with blues and soul; has a heavy bass line that accentuates the first beat in the bar
United States biochemist (born in Poland) who showed that several diseases were caused by dietary deficiencies and who coined the term `vitamin' for the chemicals involved (1884-1967)