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sunburn

(Encyclopedia)sunburn, inflammation of the skin caused by actinic rays from the sun or artificial sources. Moderate exposure to ultraviolet radiation is followed by a red blush, but severe exposure may result in bl...

Butler, Benjamin Franklin, 1818–93, American politician and Union general in the Civil War

(Encyclopedia)Butler, Benjamin Franklin, 1818–93, American politician and Union general in the Civil War, b. Deerfield, N.H. He moved to Lowell, Mass., as a youth and later practiced law there and in Boston. He w...

Arimathaea

(Encyclopedia)Arimathaea ărˌĭməthēˈə [key], in the New Testament, home of St. Joseph of Arimathea, not otherwise known. It may be the same as Ramathaim-zophim. ...

retable

(Encyclopedia)retable rēˈtābəl [key], frame for decorative panels at the back of an altar in European churches. Retables, often sumptuously decorated in alabaster and gold, generally contained scenes from the B...

Engleheart, George

(Encyclopedia)Engleheart, George, 1752–1829, English miniature painter. He studied with Sir Joshua Reynolds and made copies in miniature of Reynolds's paintings. Court miniaturist under George III, he competed su...

Eric IX

(Encyclopedia)Eric IX (Eric the Saint), d. 1160, king of Sweden. He led (1157?) a Christian crusade to Finland, where he left the bishop of Uppsala in charge of missionary work. While attending mass he was killed b...

Paris green

(Encyclopedia)Paris green, also called Schweinfurt green, an extremely poisonous, bright green powder that was formerly used extensively as a pigment (e.g., in wallpaper) and that is sometimes used as an insecticid...

Abildgaard, Nikolaj Abraham

(Encyclopedia)Abildgaard, Nikolaj Abraham nĭkōlīˈ äˈbēlgôrd [key], 1743–1809, Danish painter of the neoclassical school. He was a student of Eckersberg. Among his own pupils was Thorvaldsen, whom he great...

colon cancer

(Encyclopedia)colon cancer, cancer of any part of the colon (often called the large intestine). Colon cancer is the second most common cancer diagnosed in the United States. Epidemiological evidence has shown that ...

concentration

(Encyclopedia)concentration, in chemistry, measure of the relative proportions of two or more quantities in a mixture. The concentration of a solute is very important in studying chemical reactions because it deter...