an assemblage of rocks, rich in silica and magnesium, that constitutes the lower layer of the earth’s crust and is found beneath the ocean floors and the sial of continents.
the uppermost member of a full classical order, usually a cyma recta, representing a roof gutter; cymatium.
the silicon-rich and magnesium-rich rocks of the earth’s oceanic crust, the most abundant individual rock being basalt
the earth’s continental lower crust, probably comprised of gabbro rather than basalt
noun 1. Clifford, 1904–88, U.S. science-fiction writer.
- Si-ma qian
noun 1. ?145–?85 bc, Chinese historian, author of the Shih-chi, a history of China from earliest times to the 2nd century bc, usually considered the greatest historical work in Chinese
noun 1. Also, cymar. a loose, lightweight jacket or robe for women, fashionable in the 17th and 18th centuries. 2. zimarra. noun 1. a variant spelling of cymar