(Encyclopedia) Le Châtelier's principle, chemical principle that states that if a system in equilibrium is disturbed by changes in determining factors, such as temperature, pressure, and…
(Encyclopedia) predestination, in theology, doctrine that asserts that God predestines from eternity the salvation of certain souls. So-called double predestination, as in Calvinism, is the added…
(Encyclopedia) Saffir-Simpson scaleSaffir-Simpson scalesăfˈər– [key], standard scale for rating the severity of hurricanes as a measure of the damage they cause; it is based on observations of…
(Encyclopedia) Molina, LuisMolina, Luislwēs mōlēˈnä [key], 1535–1600, Spanish Jesuit theologian. He taught at Coimbra and Évora. In 1589 he published Concordia, a work in which he expounded the…
(Encyclopedia) parimutuel bettingparimutuel bettingpărˌĭmy&oomacr;ˈty&oomacr;ĕl [key], system of cooperative wagering invented (c.1870) in France by Pierre Oller. According to the system, the…
(Encyclopedia) virtual observatory, a collection of integrated astronomical data archives and software tools that utilize computer networks to create an environment in which research can be conducted…
(Encyclopedia) vapor pressure, pressure exerted by a vapor that is in equilibrium with its liquid. A liquid standing in a sealed beaker is actually a dynamic system: some molecules of the liquid are…
