Columbia Encyclopedia
Search results
500 results found
pitot static system
(Encyclopedia)pitot static system pētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for aircraft and a distance and speed...Snodgrass, W. D.
(Encyclopedia)Snodgrass, W. D. (William DeWitt Snodgrass), 1926–2009, American poet and translator, b. Wilkinsburg, Pa., grad. Univ. of Iowa, 1959. He is particularly known for his debut book, Heart's Needle (195...compression
(Encyclopedia)compression, external stress applied to an object or substance, tending to cause a decrease in volume (see pressure). Gases can be compressed easily, solids and liquids to a very small degree if at al...Grimm's law
(Encyclopedia)Grimm's law, principle of relationships in Indo-European languages, first formulated by Jakob Grimm in 1822 and a continuing subject of interest and investigation to 20th-century linguists. It shows t...theremin
(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...tinnitus
(Encyclopedia)tinnitus, the hearing of sounds in the absence of any external sound, also known as ringing in the ears. The sounds may be perceived as hissing, whistling, buzzing, swooshing, roaring, or clicking in ...Bibliothèque nationale
(Encyclopedia)Bibliothèque nationale bēblēōtĕkˈ näsyônälˈ [key], national library of France, in Paris, a government archive, and one of the foremost libraries of the world. It originated with the collecti...Boyle, Robert
(Encyclopedia)Boyle, Robert, 1627–91, Anglo-Irish physicist and chemist. The seventh son of the 1st earl of Cork, he was educated at Eton and on the Continent and conducted most of his researches at his own labor...Columbia, river, Canada and the United States
(Encyclopedia)Columbia, river, c.1,210 mi (1,950 km) long, rising in Columbia Lake, SE British Columbia, Canada. It flows first NW in the Rocky Mt. Trench, then hooks sharply about the Selkirk Mts. to flow S throug...mouth
(Encyclopedia)mouth, entrance to the digestive and respiratory tracts. The mouth, or oral cavity, is ordinarily a simple opening in lower animals; in vertebrates it is a more complex structure. In humans, the mouth...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
