Columbia Encyclopedia

Search results

500 results found

Stevens, Wallace

(Encyclopedia)Stevens, Wallace, 1879–1955, American poet, b. Reading, Pa., educated at Harvard and New York Law School, admitted to the bar 1904. While in New York, he mingled in literary circles and published hi...

tantalum

(Encyclopedia)tantalum tănˈtələm [key] [from Tantalus], metallic chemical element; symbol Ta; at. no. 73; at. wt. 180.94788; m.p. 2,996℃; b.p. 5,400±100℃; sp. gr. 16.65 at 20℃; valence +2, +3, +4, or +5....

vase

(Encyclopedia)vase, vessel of pottery, glass, metal, stone, wood, or synthetic material. The pottery vase was anciently employed as a container for water (a hydria), wine and other products (an amphora), or oil (a ...

rail

(Encyclopedia)rail, common name for some members of the large family Rallidae, marsh and tropical forest birds that include the gallinule and the coot, two specialized rails. Rails are cosmopolitan in distribution,...

oxpecker

(Encyclopedia)oxpecker, common name for an African starling of the genus Buphagus. Also known as tickbirds, oxpeckers have very short legs and sharp claws, which aid them in perching on the backs of large mammals, ...

fish, in zoology

(Encyclopedia)CE5 Anatomy of a ray-finned fish fish, limbless aquatic vertebrate animal with fins and internal gills. Traditionally the living fish have been divided into three class: the primitive jawless fish...

tile

(Encyclopedia)tile, one of the ceramic products used in building, to which group brick and terra-cotta also belong. The term designates the finished baked clay—the material of a wide variety of units used in arch...

health insurance

(Encyclopedia)health insurance, prepayment plan providing services or cash indemnities for medical care needed in times of illness or disability. It is effected by voluntary plans, either commercial or nonprofit, o...

cat

(Encyclopedia)cat, name applied broadly to the carnivorous mammals constituting the family Felidae, and specifically to the domestic cat, Felis catus. The great roaring cats, the lion, tiger, and leopard are anatom...

Didion, Joan

(Encyclopedia)Didion, Joan dĭdˈēŏn [key], 1934–2021, American writer, b. Sacramento, Calif., Univ. of ...