a commercial enterprise that provides scheduled flights for passengers
airway
Noun
a duct that provides ventilation (as in mines)
airway
Noun
the passages through which air enters and leaves the body
airway
Noun
a designated route followed by airplanes in flying from one airport to another
alpha-adrenergic blocking agent
Noun
any of various drugs that block alpha-adrenergic receptors
adze
Noun
an edge tool used to cut and shape wood
alpha-interferon
Noun
a form of interferon that is produced endogenously and commercially for its pharmacological effects (including regulation of the immune system and antiviral and antineoplastic effects)
anaglyph
Noun
anything carved in low relief
anaglyph
Noun
moving or still pictures in contrasting colors that appear three-dimensional when superimposed
aeolian harp
Noun
a harp having strings tuned in unison
air hose
Noun
a hose that carries air under pressure
alprazolam
Noun
an antianxiety agent (trade name Xanax) of the benzodiazepine class
aeolian lyre
Noun
a harp having strings tuned in unison
airliner
Noun
a commercial airplane that carries passengers
airlock
Noun
a chamber that provides access to space where air is under pressure
altar
Noun
a raised structure on which gifts or sacrifices to a god are made
altar
Noun
the table in Christian churches where communion is given
analog clock
Noun
a clock that displays the time of day by the position of hands on a dial
aerator
Noun
an apparatus for exposing something to the air (as sewage)
air lock
Noun
a chamber that provides access to space where air is under pressure
analog computer
Noun
a computer that represents information by variable quantities (e.g., positions or voltages)
aerial ladder
Noun
mechanically extendible ladder
airmailer
Noun
a mailer for airmail
analogue computer
Noun
a computer that represents information by variable quantities, such as positions or voltages
aerial torpedo
Noun
a torpedo designed to be launched from an airplane
air mattress
Noun
a mattress that can be stored flat and inflated for use
altarpiece
Noun
a painted or carved screen placed above and behind an altar or communion table
analog watch
Noun
a watch that represents time by the position of hands on a dial
aerosol
Noun
a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
aerosol
Noun
a cloud of solid or liquid particles in a gas
air passage
Noun
a duct that provides ventilation (as in mines)
analytical balance
Noun
a beam balance of great precision used in quantitative chemical analysis
air duct
Noun
a duct that provides ventilation (as in mines)
aerosol container
Noun
a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
altazimuth
Noun
an instrument that measures the altitude and azimuth of celestial bodies
airplane
Noun
an aircraft that has a fixed wing and is powered by propellers or jets
aeroplane
Noun
an aircraft that has a fixed wing and is powered by propellers or jets
aerosol can
Noun
a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
alternator
Noun
an old term for an electric generator that produces alternating current (especially in automobiles)
aerosol bomb
Noun
a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
aerosol bomb
Noun
a bomb that uses a fuel-air explosive
altimeter
Noun
an instrument that measures the height above ground
airplane propeller
Noun
a propeller that rotates to push against air
alto relievo
Noun
a sculptural relief in which forms extend out from the background to at least half their depth
airscrew
Noun
a propeller that rotates to push against air
alto rilievo
Noun
a sculptural relief in which forms extend out from the background to at least half their depth
afghan
Noun
a blanket knitted or crocheted in strips or squares
afghan
Noun
a coat made of sheepskin
alum
Noun
a double sulphate of aluminum and potassium that is used as an astringent (among other things)
alum
Noun
a person who has received a degree from a school (high school or college or university)