Columbia Encyclopedia

Search results

500 results found

cosmic rays

(Encyclopedia)cosmic rays, charged particles moving at nearly the speed of light reaching the earth from outer space. Primary cosmic rays consist mostly of protons (nuclei of hydrogen atoms), some alpha particles (...

fold

(Encyclopedia)fold, in geology, bent or deformed arrangement of stratified rocks. These rocks may be of sedimentary or volcanic origin. Although stratified rocks are normally deposited on the earth's surface in hor...

pendulum

(Encyclopedia)pendulum, a mass, called a bob, suspended from a fixed point so that it can swing in an arc determined by its momentum and the force of gravity. The length of a pendulum is the distance from the point...

sea level

(Encyclopedia)sea level, the level of the sea, which serves as the datum used for measurement of land elevations and ocean depths. Theoretically, one would expect sea level to be a fixed and permanent horizontal su...

Erpenius, Thomas

(Encyclopedia)Erpenius, Thomas ûrpēˈnēəs [key], 1584–1624, Dutch Orientalist, whose name in Dutch was Van Erpe. Erpenius was one of the most celebrated scholars of his day and wrote several grammars of Middl...

Hone, William

(Encyclopedia)Hone, William, 1780–1842, English writer and bookseller. He was tried and acquitted three times in 1817 for publishing parodies on the church and the government. Besides writing political satires (i...

Japhia

(Encyclopedia)Japhia jəfīˈə [key], in the Bible. 1 King of Lachish slain by Joshua. 2 Son of David. 3 Town, N central ancient Palestine, the present-day Yafa, Israel. Remains of an ancient synagogue were found ...

Brigham Young University

(Encyclopedia)Brigham Young University, at Provo, Utah; Latter-Day Saints; coeducational; opened as an academy in 1875 and became a university in 1903. It is noted for its law and business schools. The Charles Redd...

vegetarianism

(Encyclopedia)vegetarianism, theory and practice of eating only fruits and vegetables, thus excluding animal flesh, fish, or fowl and often butter, eggs, and milk. In a strict vegetarian, or vegan, diet (i.e., one ...

Banks, Dennis James

(Encyclopedia)Banks, Dennis James, 1937–2017, Native American civil-rights activist, b. Leech Lake Reservation, Minn. Of Ojibwa (Chippewa) heritage, he helped found the American Indian Movement (1968) to fight fo...