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Murray, Lindley

(Encyclopedia)Murray, Lindley, 1745–1826, American grammarian, b. Pennsylvania. Murray practiced law until the Revolution, during which he acquired a fortune, and in 1784 went to live in England. A Quaker ministe...

Villani, Giovanni

(Encyclopedia)Villani, Giovanni jōvänˈnē vēl-läˈnē [key], c.1275–1348, Italian historian of Florence. As a Florentine government functionary, he participated in some of the events he narrates. His 12-volu...

pharmacopoeia

(Encyclopedia)pharmacopoeia or pharmocopeia färˌməkəpēˈə [key], authoritative publication designating the properties, action, use, dosage, and standards of strength and purity of drugs. It is compiled under ...

Duyckinck, Evert Augustus

(Encyclopedia)Duyckinck, Evert Augustus dīˈkĭngk [key], 1816–78, American editor and biographer, b. New York City, grad. Columbia, 1835. From 1840 to 1842 he edited Arturus, a Journal of Books and Opinion, and...

Bannister, Sir Roger Gilbert

(Encyclopedia)Bannister, Sir Roger Gilbert, 1929–2018, British athlete and neurologist. On May 6, 1954, at Oxford's Iffley Road track, Bannister, a medical student, became the first man to run the mile in less th...

atomic clock

(Encyclopedia)atomic clock, electric or electronic timekeeping device that is controlled by atomic or molecular oscillations. A timekeeping device must contain or be connected to some apparatus that oscillates at a...

living wage

(Encyclopedia)living wage, the hourly wage that, at a minimum, supports a standard of living above the poverty level in a given locality. It differs from the minimum wage, which often provides a less than adequate ...

data communications

(Encyclopedia)data communications, application of telecommunications technology to the problem of transmitting data, especially to, from, or between computers. In popular usage, it is said that data communications ...

cane, walking stick

(Encyclopedia)cane, walking stick. Probably used first as a weapon, it gradually took on the symbolism of strength and power and eventually authority and social prestige. Ancient Egyptian rulers carried the symboli...

Clavius, Cristoph

(Encyclopedia)Clavius, Cristoph krĭsˈtôf klāˈvēəs [key], 1537–1612, German astronomer and mathematician. He entered the Jesuit order in 1555 and studied at Coimbra and Rome. He taught mathematics at the Co...