Acronym Definition
BNR Bulgarian National Radio
BNR Biological Nutrient Removal (sewage treatment)
BNR Banca Nationala a Romāniei (National Bank of Romania)
BNR Bell Northern Research
BNR Body Not Recovered
BNR Big Nerd Ranch
BNR Bengal Nagpur Railway (now part of Eastern Railway)
BNR Burlington Northern Railroad
BNR Binary Number
BNR Boston Restaurant Associates, Inc. (former stock symbol; now delisted)
BNR By Name Request
BNR bladder neck resection
BNR B-type Noise Reduction (Dolby Labs)
BNR Bureau of Natural Resources
BNR Build Not Received
BNR Big Nasty Rascal
BNR Bird Nest Roys (band)

Hmmm... which one applies here?