Definitions

1. noun

A unit of power equal to one trillionth of a watt.

“The new solar panel produced 100 picowatts per square inch.”

2. noun

A unit of power equal to one trillionth of a watt, used to measure the power of very small devices such as microelectromechanical systems (MEMS).

“The MEMS device consumed only a few picowatts of power.”