Crisis Action Team 
computerized axial tomography 
Central Alaska Time 
clear air turbulence 
Computer Aided Testing 
Conditional Access Table 
Category 
Common Authentication Technology 
Computer Adaptive Testing 
Customer Acceptance Test 
Caterpillar 
Computer Aided Tomography 
computer-aided teaching 
Computer-Aided Translation 
cataract 
chemical addition tank 
Civil Air Transport 
Cognitive Ability Test 
College of Advanced Technology 
Communications Authority of Thailand 
COMPILE AND TEST 
Computer Aided Technology 
Computer Aided Telephony 
Computer Aided Translation 
Computer Assisted Tomography 
computer-aided test 
computer-aided typesetting 
computer-assisted training 
computerized adaptive testing 
Conditionally accepted tag