Columbia Encyclopedia

Search results

500 results found

Ochoa, Severo

(Encyclopedia)Ochoa, Severo sāvāˈrō ōchōˈä [key], 1905–93, American biochemist and educator, b. Spain, M.D. Univ. of Madrid, 1929. After teaching at the universities of Madrid, Heidelberg, and Oxford, he ...

pyrogallol

(Encyclopedia)pyrogallol –ĭk [key], C6H6O3, white, crystalline, aromatic compound with a biting taste; it is poisonous. It melts at 133℃ and boils at 309℃. In alkaline solution it is an active reducing agent...

Emba

(Encyclopedia)Emba ĕmˈbə [key], river, c.400 mi (640 km) long, W Kazakhstan. It rises in the Mugodzhar Mts. and flows SW into the Caspian Sea. The lower course traverses an area of salt domes and the petroleum-r...

Marugame

(Encyclopedia)Marugame märo͞oˈgämē [key], city (1990 pop. 75,606), Kagawa prefecture, N Shikoku, Japan, on the Inland Sea. An important port, it produces rice and barley, along with industrial products such as...

Berchtesgaden

(Encyclopedia)Berchtesgaden bĕrkhˈtəsgäˌdən [key], town, Bavaria, SE Germany, in the Bavarian Alps. It is a popular ...

Salinas Grandes

(Encyclopedia)Salinas Grandes sälēˈnäs gränˈdās [key], salt desert, c.3,200 sq mi (8,290 sq km), in Córdoba and Santiago del Estero provs., N Argentina. The Córdoba-Tucumán RR crosses the desert. Sodium a...

Sevier

(Encyclopedia)Sevier, river, c.280 mi (450 km) long, formed in SW Utah by the junction of Panguitch Creek and Assay Creek. It flows northward through canyons, then leaves the mountains and flows SW through the Sevi...

San Fernando, city, Spain

(Encyclopedia)San Fernando sän fārnänˈdō [key], city (1990 pop. 83,923), Cádiz prov., S Spain, in Andalusia. An Atlantic port, it has a naval academy and arsenal, naval workshops, and an observatory. Salt is ...

Butlerov, Aleksandr Mikhailovich

(Encyclopedia)Butlerov, Aleksandr Mikhailovich əlyĭksänˈdər mēkhīlˈəvĭch bo͞otˈlyərôf [key], 1825–86, Russian chemist. As professor at the Univ. of Kazan he founded the first school of Russian chemi...

physical chemistry

(Encyclopedia)physical chemistry, branch of science that combines the principles and methods of physics and chemistry. It provides a fundamental theoretical and experimental basis for all of chemistry, including or...