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Zwingli, Huldreich

(Encyclopedia)Zwingli, Huldreich or Ulrich ho͝oldˈrīkh tsvĭngˈlē, o͝olˈrĭkh [key], 1484–1531, Swiss Protestant reformer. The real beginning of the Reformation in Switzerland was Zwingli's lectures on t...

Dickinson, Emily

(Encyclopedia)Dickinson, Emily, 1830–86, American poet, b. Amherst, Mass. She is widely considered one of the greatest poets in American literature. Her unique, gemlike lyrics are distillations of profound feelin...

ameba

(Encyclopedia)ameba or amoeba both: əmēˈbə [key], common name for certain one-celled organisms belonging to the phylum Sarcodina of the kingdom Protista. Amebas were previously classified as members of the anim...

transistor

(Encyclopedia)CE5 Simple transistor circuit transistor, three-terminal, solid-state electronic device used for amplification and switching. It is the solid-state analog to the triode electron tube; the transist...

fungal infection

(Encyclopedia)fungal infection, infection caused by a fungus (see Fungi), some affecting animals, others plants. Serious damage is done to crops each year by fungal infections of plants such as smuts, rusts, ergo...

Annam

(Encyclopedia)Annam ənămˈ, ăˈnăm [key], historic region (c.58,000 sq mi/150,200 sq km) and former state, in central Vietnam, SE Asia. The capital was Hue. The region extended nearly 800 mi (1,290 km) along th...

birth

(Encyclopedia)birth or labor, delivery of the fetus by the viviparous mammal. Birth is also known as parturition. Human birth normally occurs about 280 days after onset of the last menstrual period before conceptio...

mercury, chemical element

(Encyclopedia)mercury or quicksilver [from the Roman god Mercury], metallic chemical element; symbol Hg [Lat. hydrargyrum=liquid silver]; at. no. 80; at. wt. 200.59; m.p. −38.842℃; b.p. 356.58℃; sp. gr. 13.55...

mine, in warfare

(Encyclopedia)mine, in warfare, term formerly applied to a system of tunnels dug under an army fortification and ending in a chamber where either explosives were placed to be detonated at a chosen moment or the sup...

Leibniz, Gottfried Wilhelm, Baron von

(Encyclopedia)Leibniz or Leibnitz, Gottfried Wilhelm, Baron von both: gôtˈfrēt vĭlˈhĕlm bärônˈ fan līpˈnĭts [key], 1646–1716, German philosopher and mathematician, b. Leipzig. Although known primarily...