Columbia Encyclopedia

Search results

500 results found

waxwing

(Encyclopedia)waxwing, any of three species of perching songbirds of the Northern Hemisphere. Waxwings have crests (raised only in alarm) and sleek brownish-gray plumage with flecks of red pigment resembling sealin...

vireo

(Encyclopedia)vireo, small, migratory songbird of the New World. Some species nest in the United States, but the majority are tropical. Vireos (also called greenlets) range from 4 to 6 1/2 in. (10.2–16.5 cm) in l...

Vittorini, Elio

(Encyclopedia)Vittorini, Elio ĕˈlyō vēt-tōrēˈnē [key], 1908–66, Italian novelist, b. Syracuse, Sicily. Between 1934 and 1941 Vittorini translated the works of D. H. Lawrence, Poe, Faulkner, Hemingway, T. ...

wallflower

(Encyclopedia)wallflower, Mediterranean perennial (Cheiranthus cheiri) of the family Cruciferae (or Brassicaceae; mustard family), particularly popular in Europe, where it flourishes on old walls. An old-fashioned ...

stoneware

(Encyclopedia)stoneware, hard pottery made from siliceous paste, fired at high temperature to vitrify (make glassy) the body. Stoneware is heavier and more opaque than porcelain and differs from terra-cotta in bein...

spectral class

(Encyclopedia) CE5 spectral class, in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically....

quasar

(Encyclopedia)quasar kwāˈsär [key], one of a class of blue celestial objects having the appearance of stars when viewed through a telescope and currently believed to be the most distant and most luminous objects...

ladybird beetle

(Encyclopedia)ladybird beetle or ladybug, member of a cosmopolitan beetle family with over 4,000 species, including 350 species in the United States. Ladybird beetles are mostly under 1⁄4 in. (6 mm) long and are ...

Gram's stain

(Encyclopedia)Gram's stain, laboratory staining technique that distinguishes between two groups of bacteria by the identification of differences in the structure of their cell walls. The Gram stain, named after its...

orangutan

(Encyclopedia)orangutan ōrăngˈo͝otăn [key], an ape of the genus Pongo, found in rain forests of Borneo and Sumatra. Highly specialized for arboreal life, orangutans usually travel by grasping branches with han...
 

Browse by Subject