air - anti
- air-core inductance
- air-core inductor
- air-core machine
- air-core magnet
- air-core transformer
- air-core(d) coil
- air-core(d) coil
- air-cured
- air-curtain system
- air-cushion craft
- air-cushion pressure
- air-cushion ship
- air-cushion shock absorber
- air-cushion support
- air-cushion system
- air-cushion table
- air-cushioned charge
- air-cycle air conditioning
- air-damped balance
- air-deployed expendables
- air-depolarized battery
- air-depolarizing cell
- air-derived data
- air-dried brick
- air-dried coal
- air-dried coal sample
- air-dried sheet
- air-driven gyroscope
- air-driven pulsating jig
- air-driven pump
- air-driven robot
- air-dropped chaff
- air-dropped sonobuoy
- air-dry strength
- air-drying enamel
- air-drying lacquer
- air-emissions standards
- air-entrained concrete
- air-entraining admixture
- air-entraining hydraulic cement