(architecture) A brick-sized block with holes which is embedded in a wall to allow ventilation through it.

plural of air brick

Alternative spelling of airmobile

airtight

Any of many forms of device containing substances that neutralize or mask unpleasant odours.

Alternative form of airmail

Alternative form of airmail

A form of purified air made from purified liquid air, which is used in some chemical analyses.

A pistol that propels a pellet or other projectile by using compressed gas, rather than an explosion of gunpowder or other means.

A document issued at time of payment for an airfare, entitling the holder to travel.