What does THR stand for?

Rana Tharu - Language symbol (ETLW)

Target Heart Rate - Exercise

Tehran - Iran - Airport symbol (OAG)

Test Hardware Received (SAUS)

Texas Health Research Institute - Research center (RCD)

Their (ROG)

Their Royal Highnesses - British (ROG)

There (ROG)

Thor Energy Resources (SAUS)

Three Barrel Gun Co. - NCIC firearms make code (NCIC)

Three Rivers Financial Corp. - AMEX symbol (SAG)

Three Rivers Finl - AMEX symbol

Threshold

Through (ADA)

Throughout (SAUS)

Throughput

Throughput Rate

Thrust (AAG)

Thruster (RIMS)

Thunderstorm with Rain (SAUS)

Total Heat Rejection (IAA)

Total Hip Replacement - Medicine

Total Hydrocarbon Reforming - Hydrogen production

Transhepatic Resistance (DB)

Transmit Holding Register (SAUS)

Transmittal Header Record - Computer science

Transmitter Holding Register

Turbine Heat Rate (DNAB)

Threonine - An amino acid (DOG)

Theriot - Botanist in plant scientific name (HUH)

Threni (BJA)

Threonin (SAUS)

Threonine - Also, T - An amino acid

Threonyl (SAUS)

Threshold Lights - Aviation (DA)