PBT

PBT has different meanings:

• Provider Backbone Transport , IEEE 802.1Qay Ethernet technology in carrier networks.
• Polybutylene terephthalate , a thermoplastic material
• Persistent, bioaccumulating, toxic , characteristics for particularly dangerous environmental chemicals, see PBT substance
• Plants biotechnology
• Pharmaceutical biotechnology
• Profit before taxes , an economic indicator, see profit before taxes

This is a disambiguation page for differentiating between several terms identified with the same word.