Columbia Encyclopedia

Search results

500 results found

horehound

(Encyclopedia)horehound, aromatic Old World perennial herb (Marrubium vulgare) of the family Labiatae (mint family), naturalized in North America. It has woolly white foliage and tiny white clustered flowers and is...

Du Pont

(Encyclopedia)Du Pont do͞opŏnt [key], family notable in U.S. industrial history. The Du Pont family's importance began when Eleuthère Irénée Du Pont established a gunpowder mill on the Brandywine River in N De...

Ginsburg, Ruth Bader

(Encyclopedia)Ginsburg, Ruth Bader, 1933–2020, associate justice of the U.S. Supreme Court (1993–2020), b. Brooklyn, N.Y., as Joan Ruth Bader. A graduate (1954) of Cornell, she attended Harvard Law School, then...

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...

Atlanta campaign

(Encyclopedia)Atlanta campaign, May–Sept., 1864, of the U.S. Civil War. In the spring of 1864, Gen. W. T. Sherman concentrated the Union armies of G. H. Thomas, J. B. McPherson, and J. M. Schofield around Chattan...

Breyer, Stephen Gerald

(Encyclopedia)Breyer, Stephen Gerald brīˈər [key], 1938–, associate justice of the U.S. Supreme Court ...

butter-and-eggs

(Encyclopedia)butter-and-eggs, common name for a plant of the family Scrophulariaceae (figwort family) and sometimes for other yellow-and-orange flowers. Butter-and-eggs plants are classified in the division Magnol...

damselfish

(Encyclopedia)damselfish, common name for members of the large family Pomacentridae, marine fishes of tropical waters. Common in the West Indies and along the Florida coasts are the sergeant-major, named for its ve...

tumbleweed

(Encyclopedia)tumbleweed, any of several plants, particularly abundant in prairie and steppe regions, that commonly break from their roots at maturity and, drying into a rounded tangle of light, stiff branches, rol...

prickly ash

(Encyclopedia)prickly ash, name for two deciduous shrubs or small trees (Zanthoxylum americanum and Z. clava-herculis) of the family Rutaceae (rue family). They are native to E North America and have prickly twigs ...