Air China CA is an abbreviation Cabibbo Angle Cabin Address Cabin Air Cabin Attendant CAble Cache Alignment Cache Authentication Cadmium Association caffeic caffeic acid caffeine caffeine-induced IK Cairo calbindin calcein calcitonin Calcium calcium acetate Calcium alginate Calcium Aluminate calcium antagonist calcium antagonists calcium content Calcium ions calcium-activated chloride current ICl Calexico American Calhoun Academy California California Air California for an California-Los Angeles Calixarene Call Accepted Call Agent Call Alert Call Announcer Call Appearance Call Appearances