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Szymborska, Wisława
(Encyclopedia)Szymborska, Wisława wēswäˈvä shĭmbôrˈskä [key], 1923–2012, Polish poet, b. Bnin, studied Jagiellonian Univ., Kraków (1945–48). Although highly acclaimed in her homeland, Szymborska was l...van der Waals, Johannes Diderik
(Encyclopedia)van der Waals, Johannes Diderik yōhäˈnəs dēˈdərĭk vän dər väls [key], 1837–1923, Dutch physicist. It had been known for some time that the behavior of real gases differs from that of an i...toxemia
(Encyclopedia)toxemia tŏksēˈmēə [key], disease state caused by the presence in the blood of bacterial toxins or other harmful substances. The effects of the bacterial toxins known as endotoxins are relatively ...air mass
(Encyclopedia)air mass, large body of air within the earth's atmosphere in which temperature and humidity, although varying at different heights, remain similar throughout the body at any one height. Air masses for...Richelieu, Armand Emmanuel du Plessis, duc de
(Encyclopedia)Richelieu, Armand Emmanuel du Plessis, duc de ärmäNˈ ĕmänüĕlˈ dü plĕsēˈ dük də rēshəlyöˈ [key], 1766–1822, French statesman. An émigré from the French Revolution, he served Russi...ammonia
(Encyclopedia)ammonia, chemical compound, NH3, colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor. Ammonia forms a minute ...adaptation
(Encyclopedia)adaptation, in biology, has several meanings. It can mean the adjustment of living matter to environmental conditions and to other living things either in an organism's lifetime (physiological adaptat...hydrogen
(Encyclopedia)hydrogen hīˈdrəjən [key] [Gr.,=water forming], gaseous chemical element; symbol H; at. no. 1; interval in which at. wt. ranges 1.00784–1.00811; m.p. −259.14℃; b.p. −252.87℃; density 0.08...condensation
(Encyclopedia)condensation, in physics, change of a substance from the gaseous (vapor) to the liquid state (see states of matter). Condensation is the reverse of vaporization, or change from liquid to gas. It can b...hardness
(Encyclopedia)hardness, property of matter commonly described as the resistance of a substance to being scratched by another substance. The degree of hardness is relative, different substances being compared with o...Browse by Subject
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