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Lucifer of Cagliari

(Encyclopedia)Lucifer of Cagliari kälyäˈrē [key], d. 370, bishop of Cagliari, Sardinia (353–70), violent opponent of Arianism. As legate of Pope Liberius he went to the council at Milan (355) that Constantius...

Medici, Lorenzino de'

(Encyclopedia)Medici, Lorenzino de' dā mĕˈdĭchē, Ital. māˈdēchē [key], 1515–47, member of the cadet branch of the Medici family. A boon companion of Alessandro de' Medici, he secretly plotted the duke's...

Medici, Piero de', 1416–69, Italian merchant prince

(Encyclopedia)Medici, Piero de' dā mĕˈdĭchē, Ital. māˈdēchē [key], 1416–69, Italian merchant prince. He succeeded his father, Cosimo de' Medici, as head of the Medici family and as leader of the Florent...

Merian, Matthäus

(Encyclopedia)Merian, Matthäus māˈrēän [key], the elder, 1593–1650, Swiss engraver and draftsman. In Frankfurt am Main from c.1623, he produced, with help from assistants, numerous engravings of battles and...

acetone

(Encyclopedia)acetone prōˈpənōn [key], CH3COCH3, colorless, flammable liquid. Acetone melts at −94.8℃ and boils at 56.2℃. It is the simplest aliphatic ketone. Acetone is widely used in industry as a solve...

Muhammad Zahir Shah

(Encyclopedia)Muhammad Zahir Shah zäˈhĕr shä [key], 1914–2007, last king of Afghanistan. In 1933 he became king after his father, Muhammad Nadir Shah, was assassinated. During his reign power was exercised ma...

Müller, Paul Hermann

(Encyclopedia)Müller, Paul Hermann mŭlˈər [key], 1899–1965, Swiss chemist, Ph.D. Univ. of Basel, 1925. He worked as a research scientist with J. R. Geigy A.G. in Basel, Switzerland. Muller won the 1948 Nobel...

Macleod, John James Rickard

(Encyclopedia)Macleod, John James Rickard məkloudˈ [key], 1876–1935, Scottish physiologist, educated at Aberdeen and Leipzig. He was a professor at Western Reserve Univ. (1903–18) and at the Univ. of Toronto...

Maistre, Xavier de

(Encyclopedia)Maistre, Xavier de də mĕsˈtrə [key], 1763–1852, French writer, b. Savoy; brother of Joseph de Maistre. He served in the Russian army and lived most of his life in St. Petersburg. His works are ...

María de Molina

(Encyclopedia)María de Molina dā mōlēˈnä [key], d. 1321, queen of Castile, consort of Sancho IV. As regent (1295–1301) for her son, Ferdinand IV, she defended his throne against several pretenders, who were...