aˈerogramme or aˈérogramme noun

1. An air letter
2. A sheet of thin, usu blue paper, with postage stamp imprinted, to be folded and sent by airmail at a special low rate

aˈerograph noun

1. A meteorograph
2. An airborne automatic recording instrument

aerogˈraphy noun

Meteorology

aerohyˈdroplane noun

A winged hydroplane or flying-boat

aˈerolite or aˈerolith noun

(Gr lithos a stone) a meteoric stone or meteorite

aerolitholˈogy noun

The science of aerolites

aerolitˈic adjective

aerologˈical adjective

aerolˈogist noun

aerolˈogy noun

The branch of science that deals with the atmosphere

aˈeromancy noun

1. (Gr manteiā divination) divination by atmospheric phenomena
2. Weather forecasting

aeromˈeter noun

An instrument for measuring the weight or density of air and gases

aerometˈric adjective

aeromˈetry noun

Pneumatics

aˈeromotor noun

An engine for aircraft

aˈeronaut noun

(Gr nautēs a sailor) a balloonist or airman

aeronautˈic or aeronautˈical adjective

aeronautˈically adverb

aeronautˈics singular noun

The science or art of aerial travel

aeroneurosˈis noun

Flight fatigue, a nervous disorder of airmen, with emotional and physical symptoms

aeronˈomist noun

aeronˈomy noun

The science of the earth's atmosphere

aerophˈagy noun

(Gr phagein to eat) spasmodic swallowing of air, leading to belching, stomach pain, etc

aˈerophobe noun

A person suffering from aerophobia, esp as fear of flying

aerophōˈbia noun

1. (Gr phobos fear) morbid fear of draughts
2. (loosely) morbid fear of flying

aerophōbˈic (or /-fobˈ/) adjective

aˈerophone noun

Any wind instrument

aˈerophyte noun (Gr phyton a plant; botany or pathology)

An epiphyte

aˈeroplane noun

1. Any heavier-than-air power-driven flying machine, with fixed wings
2. A small plane for aerostatic experiments (see plane¹)

aeroplankˈton noun

Minute organisms carried in the air

aˈeroshell noun

A form of parachute enabling a spacecraft to make a soft landing

aerosidˈerite noun

(Gr sidēros iron) an iron meteorite

aˈerosol noun

1. A colloidal system, such as a mist or a fog, in which the dispersion medium is a gas
2. A liquid, eg insecticide, in a container under pressure
3. The container

a'erosolize or a'erosolise transitive verb

To reduce (a liquid or solid) to an aerosol

aˈerospace noun

1. The earth's atmosphere together with space beyond
2. The branch of technology or of industry concerned with the flight of spacecraft through this

Of or belonging to, or capable of operating in, air and/or space (aerospace-plane an aircraft-like vehicle that can take off and land on runways, manoeuvre in the atmosphere, operate in space, and re-enter the atmosphere)

aˈerospike noun

See linear aerospike engine under line¹

aˈerostat noun

1. (Gr statos standing) a balloon or other aircraft lighter than air
2. A balloonist
3. An air-sac (zoology)

aerostatˈic or aerostatˈical adjective

aerostatˈics singular noun

1. The science of the equilibrium and pressure of air and other gases
2. The science or art of ballooning

aerostation /-stāˈshən/ noun

Ballooning

aerotacˈtic adjective

(Gr taxis arrangement; adj taktikos) relating to or showing aerotaxis

aerotaxˈis noun (biology; obsolete)

Movement towards or from oxygen

aˈerotone noun

A type of deep bath equipped with a mechanism to direct compressed air at the body as a form of massage

aˈerotrain noun

A train driven by an aircraft engine, riding on a cushion of air

aerotropˈic adjective

(Gr tropē turning)

aerotˈropism noun (botany)

Curvature in response to concentration of oxygen