airflow
Any flow of air, especially the motion of air around a moving aircraft or aerofoil.

airflows
plural of airflow

airfoil
A structure shaped to produce lift when moving in air.
A wing of an aircraft.

airfoils
plural of airfoil

airframe
The main body and structure of an aircraft (without the powerplant).

airframer
A maker of airframes; aircraft manufacturer.

airframers
plural of airframer

airframes
plural of airframe

airfreighter
Synonym of freighter (“aircraft used to carry freight”).

airfreighters
plural of airfreighter

airgirls
plural of airgirl

airhead
An area of hostile territory that has been seized for use as an airbase to ensure the further safe landing of troops and materiel.
A (usually temporary) landing area for aircraft for supplying a non-military operation.
Alternative form of air-head (“a horizontal channel providing ventilation in a mine.”).

airheads
plural of airhead

airlane
Alternative spelling of air lane.

airlanes
plural of airlane

airleg
jackleg

airlegs
plural of airleg

airlifter
An aircraft that performs airlifts.

airlifters
plural of airlifter

airline
A company that flies airplanes to transport people and goods.

airliner
A passenger-carrying aircraft, especially one of a fleet operated by an airline.

airliners
plural of airliner

airlines
plural of airline

airlock
A sealed, airtight chamber, such as in a manned spacecraft or submarine, used to provide access to and from the sealed area without allowing air out or water in.
A vestibule, foyer or entranceway with doors to the exterior on one end and doors to the interior on the other, functioning to keep indoor and outdoor air, humidity, and air temperatures separate.
Alternative form of air lock.

airlocks
plural of airlock

airmailer
Any aircraft used to send airmail
Mail sent by air

airmails
The items of mail conveyed using aircraft.

airman
A pilot of an aircraft.
A person employed in one of several aviation-adjacent professions other than flight crew, such as a mechanic or air traffic controller.
A member of an air force.
A person of a rank in the U.S. Air Force above airman basic and below airman first class.
A naval seaman, especially one in the U.S. Navy, who works on and/or handles aircraft.

airmanship
Skill in and knowledge of the work of navigating and operating an aircraft.

airmen
plural of airman

airmiss
An incident where two aircraft almost collide; a near miss.

airmisses
plural of airmiss

airpath
The path of a missile or aircraft through the air.

airpaths
plural of airpath

airporter
A form of transportation that uses shuttlebuses or vans to connect passengers to and from airports and other transportation hubs for a fee.

airporters
plural of airporter

airprox
A near miss between aircraft.

airproxes
plural of airprox

airscoop
A cowl shaped and positioned to draw air into the engine of a moving vehicle or aircraft

airscoops
plural of airscoop

airscrew
The propeller of an aircraft; the prop.
Any actuator disk whose working fluid is air.

airscrews
plural of airscrew

airship
A lighter-than-air aircraft that can be propelled forward through the air as well as steered.
A police air unit, a police helicopter.
Any aircraft.
A high ranking official of the RAF, viewed as arrogant and distant.

airships
plural of airship

airshow
Alternative spelling of air show.

airshows
plural of airshow

airspace
A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.
that part of the sky designated for the sole use of aircraft.
Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
The portion of an enclosed area which contains air, especially breathable air.
The cavity in a cavity wall containing air for insulation.

airspaces
plural of airspace

airspeed
The speed of an aircraft relative to the air through which it is flying.

airspeedometer
Synonym of airspeed indicator.

airspeedometers
plural of airspeedometer

airspeeds
plural of airspeed

airstriker
A vehicle or person that performs an airstrike.

airstrikers
plural of airstriker

airstrip
An aircraft landing field, usually with one runway and only basic facilities.

airstrips
plural of airstrip

airtaxi
Alternative form of air taxi.

airtaxis
plural of airtaxi

airtram
An aerial tram (type of passenger vehicle).

airtrams
plural of airtram

airview
A view from the air; a photograph taken from an aircraft.

airviews
plural of airview

airwar
A war fought predominantly by aircraft.

airwars
plural of airwar

aischrolatreia
The worship of filth.

aisle
A wing of a building, notably in a church separated from the nave proper by piers.
A clear path/passage through rows of seating.
A clear corridor in a supermarket with shelves on both sides containing goods for sale.
Any path through an otherwise obstructed space.
Seat in public transport, such as a plane, train or bus, that's beside the aisle.
An idiomatic divide between the Republican Party and the Democratic Party, who are said to be on two sides of the aisle.
The path of a wedding procession in a church or other venue; (by extension, metonymic) marriage.

aisles
plural of aisle

akataphasia
disorder of thought expression in speech and results due to dissolution of logical ordering of trains of thought

akja
larger pulk (low-slung boatlike sled, used for man-hauling supplies across snow and ice)

akum
An idolater.
A non-Jew (used to avoid censorship in Jewish texts).

akums
plural of akum

alaph
The first letter of the Syriac alphabet

alaphs
plural of alaph

alcaldeships
plural of alcaldeship

alcatif
A carpet.

alcatiff
Alternative form of alcatif.

alcatiffs
plural of alcatiff

alcatifs
plural of alcatif

alcolock
A mechanism that prevents a car from starting if the driver has exceeded the legal limits of alcohol consumption.

alcolocks
plural of alcolock

aldehyde
Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom.

aldehydes
plural of aldehyde

aldermanships
plural of aldermanship

alderships
plural of aldership

aldicarb
A carbamate insecticide that acts as a cholinesterase inhibitor.

alditol
Any of a class of acyclic polyols formally derived from an aldose by reduction of the carbonyl functional group.

alditols
plural of alditol

aldoketoreductase
Any enzyme that catalyses the reduction of the carbonyl group of aldehydes or ketones

aldoketoreductases
plural of aldoketoreductase

alef
Alternative form of aleph.

alefs
plural of alef

aleph
The first letter of the Proto-Canaanite alphabet, and its descendants in descended Semitic scripts, such as Phoenician 𐤀 (ʾ, ʾaleph), Aramaic 𐡀 (ʾ), Classical Syriac ܐ ('ālaph), Hebrew א (aleph) and Arabic ا (ʾalif).
The cardinality of an infinite well-ordered (or well-orderable) set.

alephs
plural of aleph

aleuriaxanthin
A carotenoid found in certain fungi.

alfa
Alternative letter-case form of Alfa from the NATO/ICAO Phonetic Alphabet.
Alternative spelling of alpha used in the ruleset of the international nonproprietary name system, where various digraphs are usually deprecated (except for grandfathered exceptions) because their replacement is translingually preferable (thus, for example, f, not ph; t, not th; and e, not ae).

alfas
plural of alfa

alif
The first letter of the Arabic alphabet: ا (ʔalif).

alifs
plural of alif

alkoxycarbonyl
Any alkoxy derivative of a carbonyl radical

alkoxycarbonyls
plural of alkoxycarbonyl

alkylphenone
Any alkyl phenone.

alkylphenones
plural of alkylphenone

alleyway
A narrow street formed by the proximity of adjacent buildings.
A passage between two rows of cabins in a ship.

alleyways
plural of alleyway

alliesthesia
The relationship between the pleasure associated with a stimulus and the internal state of an organism

allochem
a grain of rock in a carbonate rock