dip switch1 
noun British
A switch for lowering a vehicle’s headlight beams.My dip switch has failed and on close inspection seems to have been very hot....
- In some vehicles the dip switch comprises an electrical three-way switch.
DIP switch2
noun Computing
An arrangement of switches in a dual in-line package used to select the operating mode of a device such as a printer.The last DIP switch, SW6, controls whether the keyboard goes to sleep when the computer does....
- The DAT drive was configured for active termination via the appropriate DIP switch.
- It is possible that your main board uses a jumper or DIP switch to disable the on-board sound, but this is very unlikely.
- absolute brightness
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- absolute error
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- absolute superlative
- absolute temperature