on-off switch
Definition
Noun: A hinged switch that can assume either of two positions, typically used to control the flow of electricity to a device by turning it either fully on or fully off.
Usage
This term refers specifically to a simple, binary control mechanism. It is used to describe a physical switch on a device or machine that has only two states: active (on) and inactive (off).
Examples
- The on-off switch on the back of the computer is difficult to reach.
- Before cleaning the appliance, ensure the on-off switch is in the 'off' position.
- The old radio had a large, satisfyingly clicky on-off switch.
Advanced Usage
- Metaphorical Use: The term can be used metaphorically to describe something that operates in a binary, all-or-nothing manner.
- His commitment to the project was like an on-off switch; he was either fully invested or completely absent.
Variants and Related Words
- Power Switch: A more general term for a switch that controls electrical power, which may include more than two settings (e.g., low, medium, high).
- Toggle Switch: A technical term for a class of switches that are mechanically hinged or pivoted to move between set positions, which includes on-off switches.
- Rockerswitch: A common design for an on-off switch that rocks back and forth when pressed.
Synonyms
- Power switch
- Toggle switch (in its simplest form)
- Kill switch (in specific contexts, like machinery)
Related Phrases
- Flip the switch: An idiom meaning to activate or deactivate something suddenly.
- He can flip the switch from calm to furious in an instant.
- Switch on/off: Phrasal verbs meaning to activate or deactivate a device using its switch.
- Please switch off the lights when you leave.
Noun
-
a hinged switch that can assume either of two positions
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