(Encyclopedia) Catherine of BraganzaCatherine of Braganzabrəgănˈzə [key], 1638–1705, queen consort of Charles II of England, daughter of John IV of Portugal. She was married to Charles in 1662. As…
(Encyclopedia) Cleves, duchy of, former state, W Germany, on both sides of the lower Rhine, bordering on the Netherlands. Cleves was the capital. A county from late Carolingian times, it acquired (…
(Encyclopedia) Doctrine of Signatures, the concept that the key to humanity's use of various plants was indicated by the form of the plant. The red sap of the bloodroot (Sanguinaria canadensis), for…
(Encyclopedia) chamber of commerce, local association of business people organized to promote the welfare of their community, especially its commercial interests. Each chamber of commerce usually has…
(Encyclopedia) diseases of plants. Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry…
(Encyclopedia) energy, sources of, origins of the power used for transportation, for heat and light in dwelling and working areas, and for the manufacture of goods of all kinds, among other…
(Encyclopedia) philosophy of science, branch of philosophy that emerged as an autonomous discipline in the 19th cent., especially through the work of Auguste Comte, J. S. Mill, and William Whewell.…
(Encyclopedia) Aymer of ValenceAymer of Valenceāˈmər, vəlĕnsˈ, väläNsˈ [key], d. 1260, bishop of Winchester; son of Isabella (widow of King John of England) and Hugh X, count of La Marche. He was…
(Encyclopedia) Azov, Sea of, Gr. Maiotis, Lat. Palus Maeotis, ancient Rus. Surozhskoye, northern arm of the Black Sea, c.14,000 sq mi (36,300 sq km), shared by S European Russia and E Ukraine. The…
(Encyclopedia) Pepin of Heristal (Pepin II)Pepin of Heristalhĕrˈĭstəl [key]Pepin of Heristal pĕpˈĭn [key], d. 714, mayor of the palace (680–714) of the Frankish territory of Austrasia; grandson of…
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