Columbia Encyclopedia

Search results

500 results found

empyema

(Encyclopedia)empyema ĕmpē-ēˈmə [key], persistent purulent discharge into a cavity such as the pleural space or the gallbladder. Empyema results as a complication of bacterial infections such as pneumonia and ...

Bourget, Le

(Encyclopedia)Bourget, Le, town, Seine–Saint-Denis dept., N central France. A suburb of Paris, it is the site of Le Bourget airport, once Paris's main airport but n...

inspector general

(Encyclopedia)inspector general, a government official tasked with independently overseeing an agency or department. Inspectors general are utilized by many countries, as well as regional and local governments and ...

bloat

(Encyclopedia)bloat, excessive accumulation of gases in the rumen, the first stomach of a cud-chewing animal. Bloat is probably formed to a large extent by bacterial action. It occurs in all ruminants, but is most ...

conservation laws

(Encyclopedia)conservation laws, in physics, basic laws that together determine which processes can or cannot occur in nature; each law maintains that the total value of the quantity governed by that law, e.g., mas...

Lorentz, Hendrik Antoon

(Encyclopedia)Lorentz, Hendrik Antoon hĕnˈdrək änˈtōn lōˈrĕnts [key], 1853–1928, Dutch physicist, a pioneer in formulating the relations between electricity, magnetism, and light. He was one of the first...

Libeskind, Daniel

(Encyclopedia)Libeskind, Daniel, 1946–, American architect, b. Łódź, Poland. He moved to the United States in 1959, becoming a citizen in 1965. He has held a number of teaching posts, notably at the Cranbrook ...

differential geometry

(Encyclopedia)differential geometry, branch of geometry in which the concepts of the calculus are applied to curves, surfaces, and other geometric entities. The approach in classical differential geometry involves ...

Eliot, Charles William

(Encyclopedia)Eliot, Charles William, 1834–1926, American educator and president of Harvard, b. Boston, grad. Harvard, 1853. In 1854 he was appointed tutor in mathematics at Harvard and in 1858 became assistant p...

Tanega-shima

(Encyclopedia)Tanega-shima tänāˈgä-shĭmä [key], island, 176 sq mi (456 sq km), off S Kyushu, Japan. Fishing and farming are important there. It is the site of Japan's main rocket launch center and a space sat...
 

Browse by Subject