a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

the region above the ground

a distinctive but intangible quality surrounding a person or thing

a slight wind (usually refreshing)

the mass of air surrounding the Earth

once thought to be one of four elements composing the universe (Empedocles)

a succession of notes forming a distinctive sequence

medium for radio and television broadcasting

travel via aircraft

expose to fresh air

be broadcast

broadcast over the airwaves, as in radio or television

make public

expose to warm or heated air, so as to dry

expose to cool or cold air so as to cool or freshen

the time period during which military and civilian agencies are prepared for an enemy air attack

the condition in which combat aircraft are airborne and ready for an operation

the warning signal that begins a period of preparation for an enemy air attack

a military attache who is a commissioned or warrant officer in an air force

an attack by armed planes on a surface target

a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward

a base for military aircraft

an air-filled sac near the spinal column in many fishes that helps maintain buoyancy

a bubble of air

absentminded dreaming while awake

a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways

a filter that removes dust from the air that passes through it

a command that is the primary provider of air combat weapon systems to the United States Air Force; operates fighter, bomber, reconnaissance, battle-management, and rescue aircraft

a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure

a system that keeps air cool and dry

a system that keeps air cool and dry

formerly the airborne division of the United States Army

the use of military aircraft to provide protection against attack by enemy aircraft during ground or naval operations

the crew of an aircraft

air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

the trapped air that supports a hovercraft a short distance above the water or ground

a mechanical device using confined air to absorb the shock of motion

a cushion usually made of rubber or plastic that can be inflated

defensive measures designed to destroy attacking enemy aircraft or missiles or to nullify their effectiveness

a unit of the United States Air Force usually comprising two or more wings

a duct that provides ventilation (as in mines)

obstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba diving

pain resulting from rapid change in pressure

a filter that removes dust from the air that passes through it

the flow of air

the airborne branch of a country's armed forces

the airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space

an academy for training air force officers

an agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms

an agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms