Columbia Encyclopedia

Search results

500 results found

nicotine

(Encyclopedia)nicotine, C10H14N2, poisonous, pale yellow, oily liquid alkaloid with a pungent odor and an acrid taste. It turns brown on exposure to air. Nicotine, a naturally occurring constituent of tobacco, is t...

Largo Caballero, Francisco

(Encyclopedia)Largo Caballero, Francisco fränthēsˈkō lärˈgō käbälyāˈrō [key], 1869–1946, Spanish Socialist leader and politician. A trade union leader, he initially followed opportunistic policies and...

Homestead Act

(Encyclopedia)Homestead Act, 1862, passed by the U.S. Congress. It provided for the transfer of 160 acres (65 hectares) of unoccupied public land to each homesteader on payment of a nominal fee after five years of ...

Indian Territory

(Encyclopedia)Indian Territory, in U.S. history, name applied to the country set aside for Native Americans by the Indian Intercourse Act (1834). In the 1820s, the federal government began moving the Five Civilized...

Jugurtha

(Encyclopedia)Jugurtha jo͞ogûrˈthə [key], c.156–104 b.c., king of Numidia, a grandson of Masinissa. On the death of Micipsa (118 b.c.), the royal power devolved upon his two sons and upon his adopted son Jugu...

dimension, in physics

(Encyclopedia)dimension, in physics, an expression of the character of a derived quantity in relation to fundamental quantities, without regard for its numerical value. In any system of measurement, such as the met...

cross-laminated timber

(Encyclopedia)cross-laminated timber (CLT), manufactured wood panels that consist of layers of boards glued together under pressure with the grain of the boards in one layer running perpendicular to the grain in ad...

Constantine I, king of Greece

(Encyclopedia)Constantine I, 1868–1923, king of the Hellenes, eldest son of George I, whom he succeeded in 1913. Married to Sophia, sister of the German emperor William II, he opposed the pro-Allied policy of the...

altimeter

(Encyclopedia)altimeter ăltĭmˈĭtər, ălˈtĭmēˌtər [key], device for measuring altitude. The most common type is an aneroid barometer calibrated to show the drop in atmospheric pressure in terms of linear e...

Scroggs, Sir William

(Encyclopedia)Scroggs, Sir William, 1623?–1683, English jurist. Educated at Oxford and trained in law at Gray's Inn, he became (1669) a king's sergeant, was made (1676) justice in common pleas through the influen...