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cover crop

(Encyclopedia) cover crop, green temporary crop grown to prevent or reduce erosion and to improve the soil by building up its organic content. Green-manure crops, which are specifically grown for…

Great Malvern

(Encyclopedia) Great Malvern Great Malvern môlˈvərn, môˈ– [key] or Malvern, town, Worcestershire, W central England,…

Gregg, Josiah

(Encyclopedia) Gregg, Josiah, 1806–50, American trader and historian of the Santa Fe Trail, b. Overton co., Tenn. He moved with his family to Illinois (1809) and then to Missouri (1812). He gained…

Hartlepool

(Encyclopedia) Hartlepool Hartlepool härtˈlēp&oomacr;l, härtˈəl– [key], borough…

Hernández Colón, Rafael

(Encyclopedia) Hernández Colón, RafaelHernández Colón, Rafaelräfäĕlˈ ĕrnänˈdĕs kōlōnˈ [key], 1936–2019, governor of Puerto Rico (1973–77, 1985–93). An honors graduate of Johns Hopkins (1956) and the…

gingivitis

(Encyclopedia) gingivitisgingivitisjĭnˌjəvīˈtĭs [key], inflammation of the gums. It may be acute, subacute, chronic, or recurrent. The gums usually become red, swollen, and spongy, and bleed easily.…

Ashida, Hitoshi

(Encyclopedia) Ashida, Hitoshi, 1887–1959, Japanese politician. He studied law at Tokyo Imperial Univ. and worked in the ministry of foreign affairs before being elected to the Diet in 1932 as a…

Maria I

(Encyclopedia) Maria I, 1734–1816, queen of Portugal (1777–1816), daughter of Joseph I. She was married (1760) to her uncle, who assumed joint rule with her as Peter III. Neither of them was much…

marsh marigold

(Encyclopedia) marsh marigold, perennial spring-blooming Old World and North American plant (Caltha palustris) of the family Ranunculaceae (buttercup family), found in wet places. It has rounded…

McCosh, James

(Encyclopedia) McCosh, James, 1811–94, Scottish-American philosopher and educator, b. Ayrshire, Scotland, grad. Univ. of Edinburgh, 1833. He was called to the United States in 1868 to become…