Columbia Encyclopedia

Search results

486 results found

Kermanshah

(Encyclopedia)Kermanshah kĕrmänˌshäˈ [key], city (1991 pop. 624,084), capital of Kermanshah prov., W Iran. It is the trade center for a rich agricultural region that produces grain, rice, vegetables, fruits, a...

Hamtramck

(Encyclopedia)Hamtramck hămtrămˈĭk [key], city (2020 pop. 28,433), Wayne co., SE Mich., within the confines ...

irritable bowel syndrome

(Encyclopedia)irritable bowel syndrome (IBS), condition characterized by constipation, diarrhea, or alternating constipation and diarrhea in the absence of any disease process. It is usually accompanied by abdomina...

phenylketonuria

(Encyclopedia)phenylketonuria fĕnˌəlkētˌəno͝orˈēə [key] (PKU), inherited metabolic disorder caused by a deficiency in a specific enzyme (phenylalanine hydroxylase). The absence of this enzyme, a recessive...

Novi Sad

(Encyclopedia)Novi Sad nôˈvē säd [key], Ger. Neusatz, Hung. Újvidék, city (1991 pop. 179,626), N Serbia, on the Danube River. The chief city and administrative center of Vojvodina prov. and an industrial cent...

Aurora, cities, United States

(Encyclopedia)Aurora ərôrˈə, ô– [key]. 1 City (2020 pop. 386,261), Adams and Arapahoe counties, N central Colo., a growing suburb on the east side of Denver; inc. 1903. Founded d...

vomiting

(Encyclopedia)vomiting, ejection of food and other matter from the stomach through the mouth, often preceded by nausea. The process is initiated by stimulation of the vomiting center of the brain by nerve impulses ...

Bentonville

(Encyclopedia)Bentonville, city (2020 pop. 54,164), seat of Benton co., extreme NW Ark., in the Ozark Mts.; settled 1837 and named for Senator Thomas Hart Benton. Loc...

benzoic acid

(Encyclopedia)benzoic acid bĕnzōˈĭk [key], C6H5CO2H, crystalline solid organic acid that melts at 122℃ and boils at 249℃. It is the simplest aromatic carboxylic acid (see aryl group and carboxyl group). In ...

Wuxi

(Encyclopedia)Wuxi or Wusih both: wo͞o-shē [key], city (1994 est. pop. 863,100), S Jiangsu prov., China, on the Grand Canal and the north bank of Tai lake. It is a silk-producing center. Foods (especially grains)...