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plague

(Encyclopedia)plague, any contagious, malignant, epidemic disease, in particular the bubonic plague and the black plague (or Black Death), both forms of the same infection. These acute febrile diseases are caused b...

poliomyelitis

(Encyclopedia)poliomyelitis pōˌlēōmīˌəlīˈtĭs [key], polio, or infantile paralysis, acute viral infection, mainly of children but also affecting older persons. Historically, there were three immunologic ty...

witchcraft

(Encyclopedia)witchcraft, a form of sorcery, or the magical manipulation of nature for self-aggrandizement, or for the benefit or harm of a client. This manipulation often involves the use of spirit-helpers, or fam...

lily

(Encyclopedia)CE5 Wood lily, Lilium philadelphicum lily, common name for the Liliaceae, a plant family numbering several thousand species of as many as 300 genera, widely distributed over the earth and particul...

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...

mouse

(Encyclopedia)mouse, name applied to numerous species of small rodents, often having soft gray or brown fur, long hairless tails, and large ears. The chief distinction between these animals and the variety of roden...

leprosy

(Encyclopedia)leprosy or Hansen's disease hănˈsənz [key], chronic, mildly infectious malady capable of producing, when untreated, various deformities and disfigurements. It is caused by the rod-shaped bacterium ...

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...

acupuncture

(Encyclopedia)CE5 Acupuncture points for treating diseases of the large intestine. acupuncture ăkˈyo͝opŭngˌchər [key], technique of traditional Chinese medicine, in which a number of very fine metal needl...

Continental Congress

(Encyclopedia)Continental Congress, 1774–89, federal legislature of the Thirteen Colonies and later of the United States in the American Revolution and under the Articles of Confederation (see Confederation, Arti...