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boiling point

(Encyclopedia)boiling point, temperature at which a substance changes its state from liquid to gas. A stricter definition of boiling point is the temperature at which the liquid and vapor (gas) phases of a substanc...

coenzyme

(Encyclopedia)coenzyme kō-ĕnˈzīm [key], any one of a group of relatively small organic molecules required for the catalytic function of certain enzymes. A coenzyme may either be attached by covalent bonds to a ...

Northwest Passage

(Encyclopedia)Northwest Passage, water routes through the Arctic Archipelago, N Canada, and along the northern coast of Alaska between the Pacific and Atlantic oceans. Even though the explorers of the 16th cent. de...

euthanasia

(Encyclopedia)euthanasia yo͞oˌthənāˈzhə [key], either painlessly putting to death or failing to prevent death from natural causes in cases of terminal illness or irreversible coma. The term comes from the Gre...

Morgenthau, Robert Morris

(Encyclopedia) Morgenthau, Robert Morris, , 1919-2009, b. New York, N.Y, Amherst College (B.A., 1941); Yale Univ. Law School (J.D., 1948). He was the son of Henry Mor...

Moynihan, Daniel Patrick

(Encyclopedia)Moynihan, Daniel Patrick moiˈnĭhănˌ [key], 1927–2003, American sociologist and politician, b. Tulsa, Okla., grad. Tufts (B.A., 1948; M.A., 1949; Ph.D., 1961). Raised in a poor neighborhood of Ne...

Redmond, John Edward

(Encyclopedia)Redmond, John Edward, 1856–1918, Irish nationalist leader. He was elected to Parliament as a Home Rule member in 1881 at the height of the obstructionist program of Charles Parnell. When the Irish n...

National Recovery Administration

(Encyclopedia)National Recovery Administration (NRA), in U.S. history, administrative bureau established under the National Industrial Recovery Act of 1933. In response to President Franklin Delano Roosevelt's cong...

ring, piece of jewelry

(Encyclopedia)ring, small ornamental hoop usually worn on finger or thumb, but it may be attached to the ear or the nose. Finger rings made of bronze, gold, and silver from the period c.2600–1500 b.c. have been f...

Church Slavonic

(Encyclopedia)Church Slavonic, language belonging to the South Slavic group of the Slavic subfamily of the Indo-European family of languages (see Slavic languages). Although it is still the liturgical language of m...