PTR
From Wikipedia, the free encyclopedia
PTR can refer to:
- PetroChina's New York Stock Exchange ticker symbol
- Physikalisch-Technische Reichsanstalt
- PTR Record - Pointer record, a type of DNS record
- Public Test Realm, a World of Warcraft server for previewing new content
- Pool Test Reactor, a Canadian nuclear reactor
- paid-to-read, a type of Get Paid To website
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