- 1. Abbreviation for Petabyte. 250) bytes.
- 2. Abbreviation for Play Back.
- 3. In chemistry Pb stands for Lead. Lead is a soft metal, historically
commonly used for pipes, roofing and in paint. Less commonly used today
because of its damaging effects on people's health.
For more information see:
- www.lenntech.com/Periodic-chart-elements/Pb-en.htm - Chemical properties, Health and Environmental effects of Lead.
- 4. In sport PB stands for Personal Best.
- 5. Paper Back. Abbreviation sometimes used in auctions or advertisements to indicate that a book is paper back (and not hard back).