1. Movement toward a chemical stimulus

Type of: chemotaxis

• air-dry
• air-filled
• air-intake
• air-raid shelter
• air-slake
• air-sleeve
• air-to-air
• air-to-air missile
• air-to-ground
• air-to-ground missile
• air-to-surface
• air-to-surface missile
• airborne
• airborne patrol
• airborne transmission
• airbrake
• airbrush
• airburst
• airbus
• aircraft
• aircraft carrier
• aircraft engine
• aircraft landing
• aircraftman
• aircraftsman