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radioimmunoassay

(Encyclopedia)radioimmunoassay (RIA), highly sensitive laboratory technique used to measure minute amounts of substances including antigens, hormones, and drugs present in the body. The substance or antigen (a fore...

National Recovery Administration

(Encyclopedia)National Recovery Administration (NRA), in U.S. history, administrative bureau established under the National Industrial Recovery Act of 1933. In response to President Franklin Delano Roosevelt's cong...

Elah

(Encyclopedia)Elah ēˈlə [key], in the Bible. 1 King of Israel, son and successor of Baasha. He was murdered, and succeeded, by Zimri. 2 Father of Hoshea, last king of Israel. 3 Duke of Edom. 4 Father of one of S...

Cornell, Joseph

(Encyclopedia)Cornell, Joseph, American artist, 1903–72, b. Nyack, N.Y. Cornell is best known for his surrealist-flavored shadow boxes. These are relatively small constructions, within glass-fronted shallow boxes...

Aksum

(Encyclopedia)Aksum or Axum both: äkso͞omˈ [key], town , Tigray region, N Ethiopia. Aksum was the capital of an empire (c.1st–8th cent. a.d.) that controlled much of what is now N ...

Jehoiada

(Encyclopedia)Jehoiada jēhoiˈədə [key], in the Bible. 1 High priest. He married Jehosheba, a princess of Judah, and together they saved the infant Jehoash. They led the conspiracy against Athaliah that put Jeho...

Steffen, Albert

(Encyclopedia)Steffen, Albert älˈbĕrt shtĕfˈən [key], 1884–1963, Swiss novelist, poet, and playwright, who wrote in German. His works are concerned with the martyrdom and redemption of Christ. To Steffen th...

Molech

(Encyclopedia)Molech mōˈlŏk [key], Canaanite god of fire to whom children were offered in sacrifice; he is also known as an Assyrian god. He is attested as early as the 3d millennium b.c., although most known re...

Osh

(Encyclopedia)Osh ôsh [key], city (1993 pop. 233,300), capital of Osh region, S Kyrgyzstan, in the Fergana Valley. Terminus of the Osh-Khorugh highway and Kyrgyzstan's second largest city, Osh has silk, cotton, te...

Bougainville

(Encyclopedia)Bougainville bo͞oˈgənvĭl, Fr. bo͞ogăNvēlˈ [key], volcanic island (1990 est. pop. 154,000), c.3,880 sq mi (10,050 sq km), SW Pacific, largest in the Solomon Islands chain. With Buka and smaller...