three-way switch
A type of light switch which can be arranged in pairs to control lights from two locations, as at either end of a stairway or long hallway.

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  • three-way switch — noun an electric switch that has three terminals; used to control a circuit from two different locations • Syn: ↑three point switch • Hypernyms: ↑switch, ↑electric switch, ↑electrical switch * * * noun : an electric switch having three terminals… …   Useful english dictionary

  • three-point switch — noun an electric switch that has three terminals; used to control a circuit from two different locations • Syn: ↑three way switch • Hypernyms: ↑switch, ↑electric switch, ↑electrical switch * * * noun : th …   Useful english dictionary

  • three-circuit switch — noun : three way switch …   Useful english dictionary

  • three-way — [thrē′wā′] adj. 1. involving three directions, persons, etc. [a three way conversation] 2. Elec. designating or of: a) a light bulb with two filaments that can be switched on singly or together to produce three different levels of brightness b) …   Universalium

  • three-way — [thrē′wā′] adj. 1. involving three directions, persons, etc. [a three way conversation] 2. Elec. designating or of: a) a light bulb with two filaments that can be switched on singly or together to produce three different levels of brightness b) a …   English World dictionary

  • four-way switch — noun : an electric switch used in house wiring so that a light may be turned on or off at three or more places …   Useful english dictionary

  • Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …   Wikipedia

  • way — I. noun Etymology: Middle English, from Old English weg; akin to Old High German weg way, Old English wegan to move, Latin vehere to carry, via way Date: before 12th century 1. a. a thoroughfare for travel or transportation from place to place b …   New Collegiate Dictionary

  • Switch-technology — is a technology for automata based programming support. It was proposed by Anatoly Shalyto in 1991. It involves software specification, design, implementation, debugging, documentation and maintenance. The term “automata based programming” is… …   Wikipedia

  • Three Prisoners problem — The Three Prisoners Problem appeared in Martin Gardner s Mathematical Games column in Scientific American in 1959 [Gardner, Martin (1959a). Mathematical Games column, Scientific American , October 1959, pp. 180–182.] [Gardner, Martin (1959b).… …   Wikipedia

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