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prosthetic group

(Encyclopedia)prosthetic group, non-amino acid portions of certain protein molecules. The key part of the prosthetic group may be either organic (such as a vitamin) or inorganic (such as a metal) and is usually req...

ammonium group

(Encyclopedia)ammonium group, in chemistry, a positively charged nitrogen atom joined by single bonds to four other atoms or groups. The simplest ammonium group, NH4+, is formed by protonation of ammonia, NH3, e.g....

pressure group

(Encyclopedia)pressure group, body, organized or unorganized, that actively seeks to promote its particular interests within a society by exerting pressure on public officials and agencies. Pressure groups direct t...

Group Theatre

(Encyclopedia)Group Theatre, organization formed in New York City in 1931 by Harold Clurman, Cheryl Crawford, and Lee Strasberg. Its founders, who had worked earlier with the Provincetown Players, wished to revive ...

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 insurance

(Encyclopedia)group insurance: see insurance.

Oxford Group

(Encyclopedia)Oxford Group: see Buchman, Frank Nathan Daniel. ...

marathon group therapy

(Encyclopedia)marathon group therapy: see group psychotherapy. ...

Gestalt group therapy

(Encyclopedia)Gestalt group therapy: see group psychotherapy. ...

existential group therapy

(Encyclopedia)existential group therapy: see group psychotherapy. ...