Columbia Encyclopedia

Search results

165 results found

vertical takeoff and landing aircraft

(Encyclopedia)vertical takeoff and landing aircraft (VTOL), craft capable of rising and descending vertically from and to the ground, thus requiring no runway. While a balloon or an airship has obvious VTOL capabil...

flight

(Encyclopedia)CE5 Aircraft motions and control surfaces: Yaw, or motion to the left or right, is controlled by the rudder. Pitch, or climbing or dropping, is controlled by the elevators, which move in the same d...

gnat

(Encyclopedia)gnat, common name for any one of a number of small, fragile-looking two-winged flies of the suborder Nematocera, order Diptera, which includes the families Tipulidae (crane flies), Bibionidae (hairfli...

flying fish

(Encyclopedia)flying fish, common name for members of the Exocoetidae, a family of carnivorous or herbivorous fish of warmer seas. Flying fishes usually swim in schools. They average 7 to 12 in. (17.5–30 cm) in l...

parody

(Encyclopedia)parody, mocking imitation in verse or prose of a literary work. The following poem by Robert Southey was parodied by Lewis Carroll: “You are old, Father William,” the young man cried; “The few l...

bustard

(Encyclopedia)bustard bŭsˈtərd [key], a heavy-bodied, ground-running bird of the family Otididae. Various species are found throughout the arid regions of Africa, Asia, Australia, and S Europe. Bustards range in...

Simic, Charles

(Encyclopedia)Simic, Charles sĭmˈĭc [key], 1938–2023, American poet, b. Belgrade, Yugoslavia (now in S...

pitta

(Encyclopedia)pitta pĭtˈə [key], name used to refer to a genus (Pitta) of small, plump, brightly colored birds. The genus, including some twenty-three species, constitutes the whole of the family Pittidae. Known...

chromosome

(Encyclopedia)chromosome krōˈməsōmˌ [key], structural carrier of hereditary characteristics, found in the nucleus of every cell and so named for its readiness to absorb dyes. The term chromosome is usually res...

hoatzin

(Encyclopedia)hoatzin wätsēnˈ [key] [Aztec], common name for a peculiar marsh bird, Opisthocomus hoatzin. The hoatzin is a slender bird with a brownish plumage spotted with white above and reddish-yellow to rust...