nanowatt
/ˈnænəˌwɑt/
noun
- A unit of power equal to one billionth of a watt, used to measure extremely small amounts of electrical power.
- The tiny sensor in the watch uses only a few nanowatts of power.
- Scientists measured the signal at just 50 nanowatts, barely enough to light a small LED.
- The new chip is designed to operate on less than one nanowatt, making it ideal for medical implants.