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nut, in botany

(Encyclopedia)nut, in botany, a dry one-seeded fruit which is indehiscent (i.e., does not split open along a definite seam at maturity). Among the true nuts are the acorn, chestnut, and hazelnut. Commonly the word ...

Caetano, Marcello

(Encyclopedia)Caetano, Marcello mərsĕˈlo͝o käətäˈno͝o [key], 1906–80, Portuguese lawyer and statesman. He received a doctorate in law (1931) from the Univ. of Lisbon, where he taught after 1932, serving ...

Bernanos, Georges

(Encyclopedia)Bernanos, Georges zhôrzh bĕrnänōsˈ [key], 1888–1948, French novelist and polemicist. Profoundly Catholic, Bernanos attacked modern materialism and advocated a moral and ethical order based on t...

Portuguese language

(Encyclopedia)CEE Portuguese language, member of the Romance group of the Italic subfamily of the Indo-European family of languages (see Romance languages). It is the mother tongue of about 170 million people, c...

Paraguay, country, South America

(Encyclopedia)CE5 Paraguay pârˈəgwā, –gwī, Span. pärägwīˈ [key], officially Republic of Paraguay, republic (2015 est. pop. 6,639,000), 157,047 sq mi (406,752 sq km), S central South America. Paraguay ...

Lavalle, Juan

(Encyclopedia)Lavalle, Juan hwän läväˈyā [key], 1797–1841, Argentine general, governor of Buenos Aires province (1828–29). He served (1816–24) in the War of Independence and (1826–28) in the war with B...

Medawar, Sir Peter Brian

(Encyclopedia)Medawar, Sir Peter Brian mĕdˈəwär [key], 1915–87, British zoologist, b. Brazil. After graduate work at Oxford, he held research and teaching posts there. He was professor of zoology (1947–51) ...

Koprowski, Hilary

(Encyclopedia)Koprowski, Hilary, 1916–2013, Polish-American microbiologist and immunologist, b. Warsaw, M.D. Univ. of Warsaw, 1939. He fled Poland after the Nazi invasion (1939), making his way to Brazil where he...

graphite

(Encyclopedia)graphite grăfˈīt [key], an allotropic form of carbon, known also as plumbago and black lead. It is dark gray or black, crystalline (often in the form of slippery scales), greasy, and soft, with a m...

Dorrego, Manuel

(Encyclopedia)Dorrego, Manuel mänwĕlˈ dôr-rāˈgō [key], 1787–1828, Argentine statesman and soldier, governor of Buenos Aires province (1820, 1827–28). After serving for a time in the War of Independence, ...