Definitions

1. noun

a unit of power equal to one-millionth of a watt

“The new device has an output of 10 microwatts.”

2. noun

a unit of electric power equal to one-millionth of a watt

“The microwatt of power is measured in a laboratory setting.”

3. noun

a very small unit of power

“The tiny device uses only a few microwatts of power.”