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guardian and ward

(Encyclopedia)guardian and ward, in law. A guardian is someone who by appointment or by relationship has the care of a person or that person's property, or both. The protected individual, known as the ward, is cons...

population I and II

(Encyclopedia)population I and II, in astronomy: see stellar populations. ...

Aholah and Aholibah

(Encyclopedia)Aholah əhōˈlə [key], in the Bible, the sisters in an allegory on Israel's idolatry. ...

ratchet and pawl

(Encyclopedia)ratchet and pawl, mechanical device that permits motion in one direction only. The ratchet is usually a wheel with slanting teeth. The pawl is a lever tangential to the wheel with one end resting on t...

Bozez and Seneh

(Encyclopedia)Bozez sēˈnə, –nĕ [key], two cliffs at the entrance to the ravine of Michmash (now the Wadi Suweinet); they are mentioned in the First Book of Samuel. ...

Florey, Howard Walter Florey, Baron

(Encyclopedia)Florey, Howard Walter Florey, Baron, 1898–1968, British pathologist, b. Australia. He was educated at Adelaide Univ. and at Cambridge and Oxford and returned to Oxford as professor of pathology in 1...

kidney, artificial

(Encyclopedia)kidney, artificial, mechanical device capable of assuming the functions ordinarily performed by the kidneys. In treating cases of kidney failure a tube is inserted into an artery in the patient's arm ...

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