Columbia Encyclopedia

Search results

500 results found

Briey

(Encyclopedia)Briey brēāˈ [key], town, Meurthe-et-Moselle dept., in Lorraine, NE France. It is at the center of the huge Briey iron-ore basin (see Lorraine) and has a chemical industry. ...

Barking and Dagenham

(Encyclopedia)Barking and Dagenham bärˌkĭng ən dăgˈnəm, bôˌ– [key], outer borough of Gre...

Sandefjord

(Encyclopedia)Sandefjord säˈnəfyôr [key], town (1995 pop. 37,084), Vestfold co., SE Norway, near the mouth of the Oslofjord. An important shipping center since the 14th cent. and a former whaling port, it is no...

hydrogen peroxide

(Encyclopedia)hydrogen peroxide, chemical compound, H2O2, a colorless, syrupy liquid that is a strong oxidizing agent and, in water solution, a weak acid. It is miscible with cold water and is soluble in alcohol an...

Majid, Ali Hassan al-

(Encyclopedia)Majid, Ali Hassan al- äˈlē hāˈsän äl-mäjēdˈ [key], 1941–2010, Iraqi general and Ba'athist, cousin of Saddam Hussein. After Hussein took power (1979), Majid played a pivotal role in the Ba'...

potassium chloride

(Encyclopedia)potassium chloride, chemical compound, KCl, a colorless or white, cubic, crystalline compound that closely resembles common salt (sodium chloride). It is soluble in water, alcohol, and alkalies. Potas...

borax

(Encyclopedia)borax or sodium tetraborate decahydrate sōˈdēəm tĕˌtrəbôrˈāt dĕkˌəhīˈdrāt [key], chemical compound, Na2B4O7·10H2O; sp. gr. 1.73; slightly soluble in cold water; very soluble in hot wa...

sulfide

(Encyclopedia)sulfide, chemical compound containing sulfur and one other element or sulfur and a radical. Sulfides may be salts or esters of hydrogen sulfide, H2S, or may be formed directly, e.g., by heating a meta...

synapse

(Encyclopedia)synapse sĭnˈăps [key], junction between various signal-transmitter cells, either between two neurons or between a neuron and a muscle or gland. A nerve impulse reaches the synapse through the axon,...

biophysics

(Encyclopedia)biophysics, application of various methods and principles of physical science to the study of biological problems. In physiological biophysics physical mechanisms have been used to explain such biolog...