aerophore
A thin-walled area of the roots of some plants growing in swampy conditions through which gasses are exchanged.
Aerophore pulmonaire; a respirator for use with neonates and small animals developed by French obstetrician Gairal in 1879.
A predecessor of the radio, invented by Rene Homer in the early 1900s for communication between ships.
A nineteenth-century device with breathing tubes used by miners and workmen in areas that contain toxic fumes.
A predecessor of the aqualung, invented by Benoit Rouquayrol and Auguste Denayrouze 1865

aerophores
plural of aerophore

aerophoto
Alternative form of aerophotograph.

aerophotograph
A photograph of the ground taken from an aircraft.

aerophotographs
plural of aerophotograph

aerophotos
plural of aerophoto

aeros
plural of aero

aeroshell
An aerodynamic shell that protects a spacecraft during travel from lift-off through the atmosphere from aerodynamic forces

aeroshells
plural of aeroshell

aerosonde
A sonde carried by a UAV (unmanned aerial vehicle).

aerosondes
plural of aerosonde.

aerostat
An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.
A moored balloon flown in a semi-permanent manner, such as a border patrol monitoring balloon affixed at 18,000 feet (~6 km).

aerostats
plural of aerostat

aerostructure
Any component or subsystem of the airframe of an aircraft

aerostructures
plural of aerostructure

aerotrain
A train that is supported on a cushion of air, in the manner of a hovercraft.

aerotrains
plural of aerotrain

aerotrekking
An air sport involving low-altitude flying in a weight shift control ultralight or light sport aircraft.

aeroyacht
aeroboat

aeroyachts
plural of aeroyacht

aesthenopia
Alternative form of asthenopia.

affiliateships
plural of affiliateship

affiliation
The relationship resulting from affiliating one thing with another.
The establishment of a child's paternity or maternity.
A club, society or umbrella organisation so formed, especially a trade union.

affiliations
plural of affiliation

affogati
plural of affogato

affogato
A drink or dessert (especially ice cream) topped with espresso and sometimes a caramel or chocolate sauce.

affogatos
plural of affogato

aficamten
A cardiac myosin inhibitor used to treat symptomatic obstructive hypertrophic cardiomyopathy.

aft
The rear part (after end) of a ship or other vessel.

aftbody
The stern part of an aircraft or spacecraft body.

aftcastle
Raised part of the upper deck at the stern of a ship.

aftcastles
plural of aftcastle

afterbodies
plural of afterbody

afterbody
The afterpart of a vehicle.
The part of a vessel abaft midships.
A companion body that trails a satellite or spacecraft.
A section or piece of a launch vehicle, rocket, or spacecraft that enters the atmosphere unprotected behind the nose cone or other body that is protected for entry.

afterbrow
A gangway positioned aft of midship

afterbrows
plural of afterbrow

aftercabin
The cabin in the stern of a vessel, typically used by the captain or senior officers.

aftercabins
plural of aftercabin

aftercareer
The career that follows a particular experience or stage in a person's life; later career.

aftercareers
plural of aftercareer

aftercastle
Alternative form of aftcastle.

aftercastles
plural of aftercastle

afterdeck
The part of a ship's deck from amidships toward the stern.

afterdecks
plural of afterdeck

afterguard
The seaman or seamen stationed on the poop or after part of a ship, to attend the after-sails.
The members of a yacht's crew who attend to the aft sails
A drudge; somebody tasked with menial work.

afterguards
plural of afterguard

aftermarket
The market for further goods and services, such as replacement parts and accessories, subsequent to the sale of a product such as an automobile or computer.
The industry that serves that market.
Trading activity in a security immediately following its initial offering to the public.

aftermarkets
plural of aftermarket.

aftermast
A mast located towards the stern of a ship.

aftermasts
plural of aftermast

afterpeak
The compartment nearest the stern in the hold of a ship

afterpeaks
plural of afterpeak

afts
plural of aft

agentships
plural of agentship

aggrievance
oppression; hardship; grievance.

aggrievances
plural of aggrievance

agoge
In ancient Greek music, tempo or pace; rhythmical movement.
Melodic motion upward or downward by successive scale-steps: same as ductus in medieval music.
A rigorous training regimen for Spartan men in preparation for army service.

agoges
plural of agoge

agraffe
A clasp consisting of a hook which fastens onto a ring.
A hook, eyelet, or other device by which a piano wire is held so as to limit the vibration.
A carved keystone, usually decorated with a mascaron or a corbel, often used in Classical architecture.
A brass fitting, screwed into a piano plate, that positions the strings vertically and laterally, and defines one end of the string's speaking length.

agraffes
plural of agraffe

agribulk
Unpackaged agricultural commodities transported in large quantities, such as grains, oilseeds, sugar, and fertilizers, typically handled via bulk carriers, barges, or silos.

agribulks
plural of agribulk

agrimotor
A tractor (farm vehicle).

agrimotors
plural of agrimotor

agropreneurship
Alternative form of agripreneurship.

ahnvelope
Pronunciation spelling of envelope, representing the pronunciation with /ɑ/.

ahnvelopes
plural of ahnvelope

airbase
Alternative spelling of air base.

airbases
plural of airbase

airbill
A waybill for cargo being shipped by air.

airbills
plural of airbill

airboat
A flat-bottomed boat driven by an in-air propeller and used in shallow water.

airboaters
plural of airboater

airboating
The activity of riding in an airboat.

airboats
plural of airboat

airborne
In or carried by the air.
In flight.
Fitted to an aircraft.
Transported by air in an aircraft.

airbornes
plural of airborne

airbox
The chamber in a car or motorcycle engine that draws in air and distributes it to the carburettors.

airboxes
plural of airbox

airbreather
An airbreathing aircraft engine
An airbreathing animal

airbreathers
plural of airbreather

airbridge
The route and aircraft used to deliver material by an airlift.
Synonym of jet bridge: an elevated corridor connecting an airport to a plane.
A conductor on an integrated circuit that crosses over other conductors with an air gap introduced between in the wafer manufacturing process.

airbridges
plural of airbridge

airbus
A subsonic jet airliner, especially a wide-bodied one.

airbuses
plural of airbus

airbusses
plural of airbus

aircab
A flying taxicab.

aircabs
plural of aircab

aircar
A car capable of flight.

aircars
plural of aircar

aircoach
An airliner offering relatively cheap but cramped passenger flights.

aircoaches
plural of aircoach

aircover
Alternative form of air cover.

aircraft
A vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift.

aircrafthands
plural of aircrafthand

aircraftmen
plural of aircraftman

aircrafts
plural of aircraft

aircraftsman
An aircraftman.

aircraftsmen
plural of aircraftsman

aircraftswoman
An aircraftwoman.

aircraftswomen
plural of aircraftswoman

aircraftwoman
A female aircraftman.

aircraftwomen
plural of aircraftwoman

aircrew
A group of two or more trained individuals, formed as a team that operates an aircraft.

aircrews
plural of aircrew

airdock
A very large hangar for the storage of airships.

airdocks
plural of airdock

airdrome
A location where aircraft are operated, usually having a runway and maintenance facilities.

airdromes
plural of airdrome

airfield
An open field designated for the taking off and landing of aircraft, but which, unlike an airport, does not necessarily have terminals or paved runways.

airfields
plural of airfield

airfleet
A fleet of (civilian or military) aircraft.

airfleets
plural of airfleet