microwatt
/ˈmaɪkroʊˌwɑt/
noun
- A unit of power equal to one millionth of a watt, used to measure very small amounts of energy.
- Engineers designed the device to operate on less than one microwatt to save energy.
- A typical LED indicator light consumes about 10 microwatts of electricity.
- The tiny sensor uses only a few microwatts of power, so its battery lasts for years.