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fern
(Encyclopedia) CE5 Life cycle of a fern fern, any plant of the division Polypodiophyta. Fern species, numbering several thousand, are found throughout the world but are especially abundant in tropical rain fores...figwort
(Encyclopedia) CE5 Figwort, Scrophularia lanceolata figwort, common name for some members of the Scrophulariaceae, a family comprising chiefly herbs and small shrubs and distributed widely over all continents. T...Unitarianism
(Encyclopedia)Unitarianism, in general, the form of Christianity that denies the doctrine of the Trinity, believing that God exists only in one person. While there were previous antitrinitarian movements in the ear...milkweed
(Encyclopedia)milkweed, common name for members of the Asclepiadaceae, a family of mostly perennial herbs and shrubs characterized by milky sap, a tuft of silky hairs attached to the seed (for wind distribution), a...peyote
(Encyclopedia)peyote pāōˈtē [key], spineless cactus (Lophophora williamsii), ingested by indigenous people in Mexico and the United States to produce visions. The plant is native to the SW United States, partic...supersymmetry
(Encyclopedia)supersymmetry, in physics, theory concerning the relationship of the elementary particles called boson to those known as fermions, and vice versa, and linking the four fundamental forces. In supersymm...eutrophication
(Encyclopedia)eutrophication yo͞otrōˌfĭkāˈshən [key], aging of a lake by biological enrichment of its water. In a young lake the water is cold and clear, supporting little life. With time, streams draining i...John V, Byzantine emperor
(Encyclopedia)John V (John Palaeologus) pālˌēŏlˈəgəs [key], 1332–91, Byzantine emperor (1341–91), son and successor of Andronicus III. Forced to fight John VI (John Cantacuzene), who usurped the throne d...John, Saint
(Encyclopedia)John, Saint, one of the Twelve Apostles, traditional author of the fourth Gospel, three letters, and the Book of Revelation (see John, Gospel according to Saint; John, letters; Revelation); it is high...John I, king of Hungary
(Encyclopedia)John I (John Zapolya) zäˈpôlyŏ [key], 1487–1540, king of Hungary (1526–40), voivode [governor] of Transylvania (1511–26). He was born John Zapolya, the son of Stephen Zápolya. The leader of...Browse by Subject
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