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Volunteers of America

(Encyclopedia)Volunteers of America, national nondenominational organization providing a wide variety of human services as part of a Christian ministry of service. Founded (1896) by Ballington and Maud Booth (see B...

Odawa

(Encyclopedia)Odawa: see Ottawa, indigenous people of North America. ...

Group of Seventy Seven

(Encyclopedia)Group of Seventy Seven (G77), international organization, established in 1967 to promote economic cooperation and greater influence in world affairs among developing countries. Originally consisting o...

Thompson, David

(Encyclopedia)Thompson, David, 1770–1857, Canadian geographer, fur trader, and explorer, b. London, England. In 1784 he came to Fort Churchill, Canada, as an apprentice of the Hudson's Bay Company, and until 1797...

alkyl group

(Encyclopedia)alkyl group ălˈkĭl [key], in chemistry, group of carbon and hydrogen atoms derived from an alkane molecule by removing one hydrogen atom (see radical). The name of the alkyl group is derived from t...

cyano group

(Encyclopedia)cyano group sīˈənō, sī-ănˈō [key], in chemistry, functional group that consists of a carbon atom joined to a nitrogen atom by a triple bond; it can be joined to an atom or another group by a s...

encounter group

(Encyclopedia)encounter group: see group psychotherapy. ...

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 ...

amino group

(Encyclopedia)amino group, in chemistry, functional group that consists of a nitrogen atom attached by single bonds to hydrogen atoms, alkyl groups, aryl groups, or a combination of these three. An organic compound...

group dynamics

(Encyclopedia)group dynamics: see group psychotherapy. ...