What does RAIR stand for?

Ram-Augmented Interstellar Rocket (WDAA)

Random Access Information Retrieval - Computer science (IEEE)

Rapid Advancement in Reading - Education

Recordak Automated Information Retrieval - System

Recorded Automated Information Retrieval - Computer science (VLIE)

Rectoanal Inhibitory Reflex - Medicine (MELL)

Reflection Absorption Infrared Spectroscopy - Also, IRAS, IRRAS, RAIRS, RAIS

Regent Air Corp (SAUS)

Remote-Access Immediate Response - Computer science (MHDB)