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 mountain range in central Europe that extends from Slovakia and southern Poland southeastward through western Ukraine to northeastern Romania; a popular resort area
large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of the blood; synthesizes vitamin A; detoxifies poisonous substances and breaks down worn-out erythrocytes
any of the more or less continuous military expeditions in the 11th to 13th centuries when Christian powers of Europe tried to recapture the Holy Land from the Muslims
a Turkish sultanate of southwestern Asia and northeastern Africa and southeastern Europe; created by the Ottoman Turks in the 13th century and lasted until the end of World War I; although initially small it expanded until it superseded the Byzantine Empire
a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991
a historical plateau region in northwestern Romania that is separated from the rest of the country by the Transylvanian Alps; originally part of Hungary; incorporated into Romania at the end of World War I
a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant churches
any of various herbaceous plants cultivated for an edible part such as the fruit or the root of the beet or the leaf of spinach or the seeds of bean plants or the flower buds of broccoli or cauliflower