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White House

(Encyclopedia)White House, official name of the executive mansion of the President of the United States. It is on the south side of Pennsylvania Ave., Washington, D.C., facing Lafayette Square. The building, constr...

boron

(Encyclopedia)boron bōrˈŏn [key] [New Gr. from borax], chemical element; symbol B; at. no. 5; interval in which at. wt. ranges 10.806–10.821; m.p. about 2,300℃; sublimation point about 2,550℃; sp. gr. 2.3 ...

Baltimore

(Encyclopedia)Baltimore, city (2020 pop. 575,584), N central Md., surrounded by but politically independent of Baltimore co., on the Patapsco River estuary, an arm of...

Corman, Roger William

(Encyclopedia) Corman, Roger William, 1926-, American film director, screenwriter, and producer, b. Detroit, Mi., Stanford Univ. (B.S., 1947). Corman studied industr...

gorilla

(Encyclopedia)gorilla, an ape, genus Gorilla, native to the lowland and mountain forests of western and central equatorial Africa. The two gorilla species are the western, comprising the western lowland (G. gorilla...

mole, in zoology

(Encyclopedia)mole, in zoology, common name for the small, burrowing, insectivorous mammals of the family Talpidae, found throughout the temperate Northern Hemisphere. Moles are trapped as pests, although they prob...

lichen

(Encyclopedia)lichen līˈkən [key], usually slow-growing organism of simple structure, composed of fungi (see Fungi) and photosynthetic green algae or cyanobacteria living together in a symbiotic relationship and...

Staël, Germaine de

(Encyclopedia)Staël, Germaine de zhĕrmĕnˈ də stäl [key], 1766–1817, French-Swiss woman of letters, whose full name was Anne Louise Germaine Necker, baronne de Staël-Holstein. Born in Paris, the daughter of...

refugee

(Encyclopedia)refugee, one who leaves one's native land either because of expulsion or to escape persecution. The legal problem of accepting refugees is discussed under asylum; this article considers only mass disl...

iodine

(Encyclopedia)iodine īˈədīn, –dĭn [key] [Gr.,=violet], nonmetallic chemical element; symbol I; at. no. 53; at. wt. 126.90447; m.p. 113.5℃; b.p. 184.35℃; sp. gr. 4.93 at 20℃; valence −1, +1, +3, +5, o...