1. Relating to an aircraft heavier than the air it displaces

See also: heavy

• autotypic
• autotypy
• autumn
• autumn crocus
• autumn pumpkin
• autumn sneezeweed
• autumn-blooming
• autumn-flowering
• autumnal
• autumnal equinox
• autunite
• Auvergne
• auxesis
• auxetic
• auxiliary
• auxiliary airfield
• auxiliary boiler
• auxiliary cell
• auxiliary engine
• auxiliary equipment
• auxiliary operation
• auxiliary pump
• auxiliary research submarine
• auxiliary storage
• auxiliary verb