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coal

(Encyclopedia)coal, fuel substance of plant origin, largely or almost entirely composed of carbon with varying amounts of mineral matter. Coal is found in beds or seams interstratified with shales, clays, sands...

Tovey, Sir Donald Francis

(Encyclopedia)Tovey, Sir Donald Francis tōˈvē [key], 1875–1940, English pianist and musicologist, grad. Oxford, 1898. As a pianist he appeared in England and on the Continent after 1900 and in the United State...

Health and Human Services, United States Department of

(Encyclopedia)Health and Human Services, United States Department of, federal executive department charged with administering government health programs. Successor to the Department of Health, Education, and Welfar...

Clinton, George, vice president of the United States

(Encyclopedia)Clinton, George, 1739–1812, American statesman, vice president of the United States (1805–1812), b. Little Britain, N.Y. Before he was 20 he served on a privateer and, in the French and Indian War...

Adams, John, 2d President of the United States

(Encyclopedia)Adams, John, 1735–1826, 2d President of the United States (1797–1801), b. Quincy (then in Braintree), Mass., grad. Harvard, 1755. John Adams and his wife, Abigail Adams, founded one of the most di...

eye fly

(Encyclopedia)eye fly, common name for a group of small flies of the family Chloropidae. Eye flies are common in parts of California and in the S United States. They inhabit grasslands and meadows and breed mainly ...

concretion

(Encyclopedia)concretion, mass or nodule of mineral matter, usually oval or nearly spherical in shape, and occurring in sedimentary rock. It is formed by the accumulation of mineral matter in the pore spaces of the...

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