Alternative spelling of watch cap

A knitted cap, such as the one worn by a seaman when on watch.

One millionth ( 10⁻⁶ ) of a watt, abbreviated as µW.

One million millionth (10⁻¹²) of a watt, abbreviated as pW.

One million million (10¹²) watts, abbreviated as TW.

One million (10⁶) watts, abbreviated as MW.

One thousand (10³) watts. Symbol: kW or KW.

One thousandth (10⁻³) of a watt, abbreviated as mW.

One thousand millionth ( 10⁻⁹ ) of a watt, abbreviated as nW.

One thousand million ( 10⁹ ) watts, abbreviated as GW.