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Seven Pines

(Encyclopedia)Seven Pines: see Peninsular campaign. ...

Forty-seven Ronin

(Encyclopedia)Forty-seven Ronin, Jap. Chushingura, group of Japanese samurai who avenged the disgrace and seppuku (suicide) of their master, Lord Asano, in 1703 by assassinating Lord Kira, the official responsible ...

Seven against Thebes

(Encyclopedia)Seven against Thebes, in Greek legend, seven heroes—Polynices, Adrastus, Amphiaraüs, Hippomedon, Capaneus, Tydeus, and Parthenopaeus—who made war on Eteocles, king of Thebes. After the banishment...

Seven Wise Men of Greece

(Encyclopedia)Seven Wise Men of Greece, list of men drawn from among the outstanding politicians and political philosophers of ancient Greece. Although such listings differed widely, a usual one included Bias, Chil...

group psychotherapy

(Encyclopedia)group psychotherapy, a means of changing behavior and emotional patterns, based on the premise that much of human behavior and feeling involves the individual's adaptation and response to other people...

carboxyl group

(Encyclopedia)carboxyl group kärbŏkˈsĭl [key], in chemistry, functional group that consists of a carbon atom joined to an oxygen atom by a double bond and to a hydroxyl group, OH, by a single bond. Carboxylic a...

nitro group

(Encyclopedia)nitro group, in chemistry, functional group that consists of a nitrogen atom joined to two oxygen atoms. Compounds that contain a nitro group, e.g., picric acid and trinitrotoluene (TNT), are called n...

formyl group

(Encyclopedia)formyl group fôrˈmĭl [key], in chemistry, functional group that consists of a carbonyl group joined by a single bond to a hydrogen atom. Aldehydes are compounds that contain a formyl group joined b...

hydroxyl group

(Encyclopedia)hydroxyl group hīdrŏkˈsĭl [key], in chemistry, functional group that consists of an oxygen atom joined by a single bond to a hydrogen atom. An alcohol is formed when a hydroxyl group is joined by ...

epoxy group

(Encyclopedia)epoxy group ĕpˈŏksē [key], in chemistry, functional group that consists of an oxygen atom joined by single bonds to two adjacent carbon atoms, thus forming the three-membered epoxide ring. It is t...

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