active-passive
71Passive solar building design — Elements of passive solar design, shown in a direct gain application …
72Passive margin — A passive margin is the transition between oceanic and continental crust which is not an active plate margin. It is constructed by sedimentation above an ancient rift, now marked by transitional crust. Continental rifting creates new ocean basins …
73Active and passive citizens — Citizenship during the French Revolution= During the French Revolution, a distinction was made for a time between active and passive citizens. In 1791, the Legislative Assembly was chosen by a process of indirect election; the Electors of the… …
74Active safety — In engineering, active safety systems are systems which can be activated in response to a safety problem or abnormal event. Such systems could be activated either by a human operator, automatically by a computer driven system, or even… …
75Passive solar — For the application of passive solar technologies in buildings, see passive solar building design. Passive solar technologies are means of using sunlight for useful energy without use of active mechanical systems (as contrasted to active solar).… …
76Active and passive transformation — In the physical sciences, an active transformation is one which actually changes the physical state of a system, and makes sense even in the absence of a coordinate system whereas a passive transformation is merely a change in the coordinate… …
77passive — [[t]pæ̱sɪv[/t]] 1) ADJ GRADED (disapproval) If you describe someone as passive, you mean that they do not take action but instead let things happen to them. His passive attitude made things easier for me... Even passive acceptance of the regime… …
78passive — passively, adv. /pas iv/, adj. 1. not reacting visibly to something that might be expected to produce manifestations of an emotion or feeling. 2. not participating readily or actively; inactive: a passive member of a committee. 3. not involving… …
79Passive radiator (speaker) — A speaker enclosure using a passive radiator usually contains an active driver (or main driver), and a passive cone (or drone or passive radiator). The active driver is a regular driver, and the passive is typically the same or similar, but… …
80Passive foreign investment company — Within taxation law of the USA, a passive foreign investment company (or PFIC ) is a foreign company with predominantly investment income, or whose assets are primarily intended to generate investment income. The Internal Revenue Service handles… …
