88 ECR definitions

Engineering Change Request 
Efficient Consumer Response 
Electron Cyclotron Resonance 
Electronic Cash Register 
Engineering Change Requests 
Enforcement Case Review 
Enhanced Call Routing 
Enhanced Carrier Route 
Equivalent Cell Rate 
Estimate change request 
European Congress of Radiology 
effective cleaning radius 
Electronic Combat and Reconnaissance 
Electronic Combat Range 
Electronic Combat Reconnaissance 
Emergency Cooling Recirculation 
Engineering Change Review 
Error Control Receiver 
Extended Control Register 
extensor carpi radialis 
Ear Canal Receiver 
Earth-Centered Relative 
ECC Capital Corp. 
ecdysone receptor 
ecdysteroid receptor 
Educational Computing Research 
effectiveness-cost ratio 
Efficient Customer Response 
El Camino Real 
Electric Current Relaxation 
Electrical Control Room 
Electronic Class Rooms 
Electronic Control Receiver 
Electronic Control Relay 
Electronic Cost Report 
Embedded Computer Resources 
emergency care research 
emergency chemical restraint 
emergency conference room 
Enemy Contact Report