Columbia Encyclopedia

Search results

500 results found

Benaiah

(Encyclopedia)Benaiah bēnāˈyə [key], in the Bible. 1 One of David's warriors, faithful in David's old age to Solomon. 2 Warrior under David. 3 Levite of the reign of Hezekiah. 4 Father of Pelatiah. ...

geologic timescale

(Encyclopedia)CE5 geologic timescale, a chronological scale of earth's history used to measure the relative or absolute age of any part of geologic time. Of the numerous timescales, the most common is based on g...

Townsend, Francis Everett

(Encyclopedia)Townsend, Francis Everett tounˈzənd [key], 1867–1960, American reformer, leader of an old-age pension movement, b. Fairbury, Ill., grad. Univ. of Nebraska medical school, 1903. He practiced medici...

Down syndrome

(Encyclopedia)Down syndrome, congenital disorder characterized by mild to severe mental retardation, slow physical development, and characteristic physical features. Down syndrome affects about 1 in every 730 live ...

geriatrics

(Encyclopedia)geriatrics jĕrēăˈtrĭks [key], the branch of medicine concerned with conditions and diseases of the aged. Many disabilities in old age are caused by or related to the deterioration of the circulat...

autism

(Encyclopedia)autism ôˈtĭzəm [key], developmental disability resulting from a neurological disorder that affects the normal functioning of the brain. It is characterized by the abnormal development of communica...

Doyle, Richard

(Encyclopedia)Doyle, Richard, 1824–83, English caricaturist, water colorist, and illustrator. He was the son and pupil of John Doyle, a popular caricaturist. His Journal (British Mus.), a book of sketches done at...

Astraea

(Encyclopedia)Astraea ăstrēˈə [key], in Greek religion and mythology, goddess of justice; daughter of Zeus and Themis. Because of the wickedness of man, she withdrew from the earth at the end of the Golden Age ...

Lucy, Saint

(Encyclopedia)Lucy, Saint, d. 304?, Sicilian virgin martyr. According to legend, at an early age she vowed herself to God. She rejected a pagan suitor, who then denounced her during the persecutions under Diocletia...

child labor

(Encyclopedia)child labor, use of the young as workers in factories, farms, mines, and other facilities, especially in work that is physically hazardous or morally, socially, or mentally harmful, involves a form of...