Other Uses
- Password, a code for authentication
- Pennyweight, a unit of mass
- Politechnika Warszawska, a university in Poland
- Pratt & Whitney, an aerospace manufacturer
- Price Waterhouse, an accounting firm
- Prince of Wales Secondary School, Vancouver, BC
- Puerto Williams, a port in Chile
- Palau, an island nation, ISO code PW
- Picowatt or petawatt, two units of power
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