Interactive Voice Response 
Integrated Voice Response 
Interactive Voice Recognition 
Integrated Voltage Regulator 
intramolecular vibrational relaxation 
Burundaiavia 
IATA code for Inverell Airport, Invere… 
idioventricular rhythm 
iliac vascular resistance 
immersive virtual reality 
Implementation Validation Review 
Implementation Verification Review 
In Virtual Reality 
in vitro released 
in vivo recovery 
Induction Voltage Regulator 
inhibitor of virus replication 
Instrumental Visual Range 
Intelligent Voice Recognition 
intermediate view reprojection 
international vehicle registration 
interventional radiology 
interventional vascular radiology 
intestinal vascular resistance 
intramolecular vibrational energy redi… 
Intramolecular Vibrational Redistribut… 
intrarenal vascular resistance 
intravaginal ring 
in-vitro-retinae 
isovolumetric regulation