The meaning of the Acronym FIR is...

FIR is

• Fast Infrared

More Meanings For FIR:

• Far Infra Red
• Far InfraRed
• Finite Impulse Response
• Field Investigation Research
• First Information Report
• Flexible Initiatives Resourcing
• Fairyland In Reality
• Fahrner Image Replacement
• Fairyland In Reality
• Foundation for the Investigation of Reality
• Fast Infrared
• File Intermediate Representation
• Final Inspection Report
• Fuel Indicating Reading
• Force Information Room

FIR is also in:

• Astronomy
• Drivers
• Educational
• Electronics
• General
• Media
• Military
• NASA
• Non-Profit Organizations
• Police
• Universities