English abbreviations from irp to irt
- IRP(Matari Airport)
- IRPS(International Reliability Physics Symposium)
- IRQ(Iraq (ISO 3166 trigram))
- IRR(Iranian rial (ISO 4217 currency code))
- IRR(s)(incidence rate ratio(s))
- Irregulte.(Irregularitate ("Irregularity" abl. case))
- IRRI(International Rice Research Institute)
- IRRT(International Relations Round Table)
- IRS(Inertial Reference System)
- IRSA((organization) Infrared Science Archive)
- IRSN(Institut de radioprotection et de sûreté nucléaire (French, "Institute for Radiation Protection and Nuclear Safety"))
- IRST(Infra-red Search and Track)
- IRSTS(Infrared Search and Track Sensor)
- IRT("in reference to...")
