VRA

(redirected from visual response audiometry)
Also found in: Medical.

VRA

The rough-air speed. It is the recommended equivalent air speed for flight in turbulence. MRA is the recommended Mach number for flight in turbulence.
References in periodicals archive ?
Tenders are invited for SUPPLY OF EQUIPMENTS TO THE DEPARTMENT OF ENT FOR MANDYA: Visual Response Audiometry,Auditory Brainstem Response Audiometry,Pediatric audiometer,