Columbia Encyclopedia

Search results

500 results found

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...

cloth of gold

(Encyclopedia)cloth of gold, fabric woven wholly or partly of gold threads. From remote times gold has been used as material for weaving either alone or with other fibers. In India tapestries were made from gold th...

tanning

(Encyclopedia)tanning, process by which skins and hides are converted into leather. Vegetable tanning, a method requiring more than a month even with modern machinery and tanning liquors, employs tannin; its use is...

taxidermy

(Encyclopedia)taxidermy tăkˈsĭdûrˌmē [key], process of skinning, preserving, and mounting vertebrate animals so that they still appear lifelike. The fur or feathers are cleaned, and the skin, treated with a c...

camouflage

(Encyclopedia)camouflage kămˈəfläzh [key], in warfare, the disguising of objects with artificial aids, especially for the purpose of making them blend into their surroundings or of deceiving the observer as to ...

beta particle

(Encyclopedia)beta particle, one of the three types of radiation resulting from natural radioactivity. Beta radiation (or beta rays) was identified and named by E. Rutherford, who found that it consists of high-spe...

Oates, Joyce Carol

(Encyclopedia)Oates, Joyce Carol, 1938–, American author, b. Lockport, N.Y., B.A. Syracuse Univ., 1960, M.A. Univ. of Wisconsin, 1961. She taught English at the Univ. of Detroit and the Univ. of Windsor, Ontario,...

respiration

(Encyclopedia)CE5 Respiratory system respiration, process by which an organism exchanges gases with its environment. The term now refers to the overall process by which oxygen is abstracted from air and is tran...

Legionnaire's disease

(Encyclopedia)Legionnaire's disease lēˌjənârzˈ [key], infectious, sometimes fatal, disease characterized by high fever, dry cough, lung congestion, and subsequent pneumonia. Major organs, such as the heart, ma...

Ladysmith Black Mambazo

(Encyclopedia)Ladysmith Black Mambazo mämbäzˈō [key], choral group formed in 1965 in Ladysmith, South Africa, founded and led (until 2014) by Joseph Shabalala (1941–2020). The group, which sings with a precis...