Definitions for "NIR"
Acrylnitrile-isoprene rubber
near infrared
Wavelengths from 0.7 to 3.7 microns
Near Infra-Red. Wavelengths around 700-3000 nm.
Northern Irrigation Region
Northern Ireland Railways
Keywords:  inventory, national, report
National Inventory Report.
Keywords:  acronym, letter, stand, three, may
The three-letter acronym NIR may stand for
Keywords:  ratio, loss, insertion
NEXT to Insertion loss Ratio