Also found in: Thesaurus, Medical, Legal, Financial, Idioms, Encyclopedia.


a. An exchange or a swap, especially one done secretly.
b. A transference or shift, as of opinion or attention.
a. A device used to break or open an electric circuit or to divert current from one conductor to another.
b. A device consisting of two sections of railroad track and accompanying apparatus used to transfer rolling stock from one track to another.
a. A slender flexible rod, stick, or twig, especially one used for whipping.
b. The bushy tip of the tail of certain animals: a cow's switch.
c. A thick strand of real or synthetic hair used as part of a coiffure.
d. A flailing or lashing, as with a slender rod: gave the ox a switch.
v. switched, switch·ing, switch·es
a. To exchange: asked her brother to switch seats with her.
b. To shift, transfer, or divert: switched the conversation to a lighter subject.
a. To connect, disconnect, or divert (an electric current) by operating a switch.
b. To cause (an electric current or appliance) to begin or cease operation: switched the lights on and off.
c. Informal To produce as if by operating a control. Often used with on: switched on the charm.
3. To move (rolling stock) from one track to another; shunt.
a. To whip with a switch, especially in punishing a child.
b. To jerk or swish abruptly or sharply: a cat switching its tail.
1. To make or undergo a shift or an exchange: The office has switched to shorter summer hours.
2. To swish sharply from side to side.
Phrasal Verb:
switch off Informal
To stop paying attention; lose interest.

[Probably of Low German or Flemish origin.]

switch′a·ble adj.
switch′er n.


able to be switched between different positions
References in periodicals archive ?
Based in Tel Aviv, Gauzy has successfully commercialized several initial "smart glass" products, including an embedded switchable window film that can alternate from clear and frosted with the touch of a button.
Rather than employing hexane to isolate this oil, then removing the solvent with an energy-intensive distillation, Jessop's switchable solvent first captures the oil then switches to a hydrophilic form with the application of C[O.
The card also offers user switchable Sample Rate Converter (SRC) on the input and a user switchable SRC on output.
After quad-core processors, it's time for octa-core processor equipped mobile devices, and to start it off, mobile device maker iBerry has announced the World's first switchable 3G module octa-core tablet.
Summary: DUBAI - SmartGlass International, the premium manufacturer of electronically switchable privacy glass, has announced that it is intensifying its expansion drive in the Middle East to take advantage of a new surge in property development and demand for premium-quality electronically switchable glass solutions.
4K x 2K 2D/3D switchable glasses-free TV display has received the 2012 SID Display of the Year Award.
It offers a built-in function generator, an arbitrary waveform generator, mask limit testing, switchable bandwidth limiting on each channel, and switchable 1-MQ and 50-Q inputs in addition to the standard spectrum analysis, advanced triggering, and serial decoding features on the company's PC oscilloscopes.
has received notification from Underwriters Laboratories (UL) that it has been awarded 94V-0 certification for its XStaticTM100 product, a voltage switchable dielectric (VSDEoAaAo) material.
Both models feature the automaker's Electronic Suspension Adjustment system, and the GS receives switchable ABS while the RT's ABS is non-switchable.
The integration of the piezoelectric force sensor allows each module to cover two switchable measuring ranges.
These facade systems include switchable windows and shading systems such as motorized shades, switchable electrochromic or gasochromic window coatings, and double-envelope window-wall systems that have variable optical and thermal properties which can be changed in response to climate, occupant preferences, and building-system requirements.