Columbia Encyclopedia

Search results

218 results found

chlorophyll

(Encyclopedia)CE5 chlorophyll klôrˈəfĭlˌ [key], green pigment that gives most plants their color and enables them to carry on the process of photosynthesis. Chemically, chlorophyll has several similar forms...

Choate, Joseph Hodges

(Encyclopedia)Choate, Joseph Hodges chōt [key], 1832–1917, American lawyer and diplomat, b. Salem, Mass.; nephew of Rufus Choate. After being admitted (1855) to the bar, he moved to New York City. His legal care...

Jones, George Glenn

(Encyclopedia)Jones, George Glenn, 1931–2013, American country music singer and guitarist, b. Saratoga, Tex. Influenced by Roy Acuff and Hank Williams, he began recording in 1954; among his early hits were Why Ba...

Père David's deer

(Encyclopedia)Père David's deer pĕr dävēdzˈ [key], Asian deer, Elaphurus davidianus, known only in a semidomesticated state. Also known as milu and elaphure, it has a bulky, donkeylike body, reaching a shoulde...

aryl group

(Encyclopedia)aryl group ârˈĭl [key], in chemistry, group of atoms derived from benzene or from a benzene derivative by removing one hydrogen that is bonded to the benzene ring (see radical). The simplest aryl g...

Liberty Bell

(Encyclopedia)Liberty Bell, historic relic in Independence National Historical Park, Philadelphia. First hung in Independence Hall in 1753, it bore the inscription, “Proclaim Liberty throughout all the Land unto ...

theremin

(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...

stereochemistry

(Encyclopedia)stereochemistry, study of the three-dimensional configuration of the atoms that make up a molecule and the ways in which this arrangement affects the physical and chemical properties of the molecule. ...

coatimundi

(Encyclopedia)coatimundi kōätˈē [key], omnivore of North and South America related to the raccoon. The coatimundi has a long snout, an elongated body, and a long bushy tail banded with dark rings. The coat colo...

Enceladus

(Encyclopedia)Enceladus ĕnsĕlˈədəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn II (or S2), Enceladus is 310 mi (500 km) in diameter, orbits Saturn at a m...