abdominoplasty
active aging
active citizenship
active euthanasia
active galactic nucleus
active homing
active homing guidance
active material
active site
active suspension
active transport
activity ratio
after-care
agendize
air ball
air battery
air bearing
air bridge
air broker
air cavalry
air combat fighter
air command
air corridor
air curtain
air dam
air defense warning conditions
air door
air equivalent
Air Force One
air guitar
air hall
air miss
air monitor
air piracy
air rage
air shower
air shuttle
air space
air structure
air sucker
air trooping
air tunnel
air turbulence
air-cushion vehicle
alpha female
alpha male
audiobook
awfulize
baby boomerang
baby break
baby buster
baby-doll dress
babymoon
babynap
bancassurance
bankassurance
bioeffect
bleeping
body surfing
boomerang baby