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hospice

(Encyclopedia) hospice, program of humane and supportive care for the terminally ill and their families; the term also applies to a professional facility that provides care to dying patients who can…

Heraclitus

(Encyclopedia) HeraclitusHeraclitushĕrəklīˈtəs [key], c.535–c.475 b.c., Greek philosopher of Ephesus, of noble birth. According to Heraclitus, there was no permanent reality except the reality of…

Sitter, Willem de

(Encyclopedia) Sitter, Willem deSitter, Willem devĭlˈəm də sĭtˈər [key], 1872–1934, Dutch astronomer and mathematician. He was professor from 1908 at the Univ. of Leiden and in 1919 became director…

Norumbega

(Encyclopedia) NorumbegaNorumbeganôrəmbĕgˈə [key], name vaguely used, especially on European maps of the 16th and 17th cent., to indicate a region, a river, or a city on the east coast of North…

nobelium

(Encyclopedia) nobeliumnobeliumnōbēˈlēəm [key], artificially produced radioactive chemical element; symbol No; at. no. 102; mass no. of most stable isotope 259; m.p. 827℃; b.p. and density unknown;…

North Downs

(Encyclopedia) North Downs: see Downs, North, chalk hills, England.

South Downs

(Encyclopedia) South Downs: see Downs, North, chalk hills, England.

pump

(Encyclopedia) pump, device to lift, transfer, or increase the pressure of a fluid (gas or liquid) or to create a vacuum in an enclosed space by the removal of a gas (see vacuum pumps under vacuum).…

Walker Lake

(Encyclopedia) Walker Lake, salt lake, c.105 sq mi (270 sq km), W Nev., SE of Carson City. Fed by the Walker River, it is a remnant of prehistoric Lake Lahontan and has no outlet.

irritable bowel syndrome

(Encyclopedia) irritable bowel syndrome (IBS), condition characterized by constipation, diarrhea, or alternating constipation and diarrhea in the absence of any disease process. It is usually…