- denoting air, atmosphere, or gas: aerodynamics
- denoting aircraft: aeronautics
WordReference Random House Learner's Dictionary of American English © 2026
aero-,
- a combining form meaning "air'': aerodynamics.
Collins Concise English Dictionary © HarperCollins Publishers::
aero-, aeri-, (before a vowel) aer- combining form
aer•o
(âr′ō),USA pronunciation adj.
aero-,
aero.,
- of or for aircraft.
- of or pertaining to aeronautics.
- aero- used as free form 1895–1900
aero-,
- a combining form meaning "air,'' used in formation of compound words:aerodrome.Also, aer-, aeri-.
- Greek, equivalent. to āer- (stem of āé̄r air1) + -o- -o-
aero.,
- aeronautic;
aeronautical. - aeronautics.
- aerospace.
'aero-' also found in these entries (note: many are not synonyms or translations):
aer-
- aeri-
- aero
- aerobatics
- aerobe
- aero engine
- aeroplane
- aerosol
- aerostat
- aerobacter
- aeroballistics
- aerobat
- Aerobee
- aerobic
- aerobic dancing
- aerobics
- aerobiology
- aerobiosis
- aeroculture
- aerodrome
- aerodynamics
- aeroelastic
- aeroembolism
- aerofoil
- aerogel
- aerogenic
- aerogram
- aérogramme
- aerograph
- aerography
- aerolite
- aerology
- aeromagnetic
- aeromancy
- aeromarine
- aeromechanic
- aeromechanics
- aeromedical
- aeromedicine
- aerometeorograph
- aerometer
- aeronaut
- aeronautics
- aeronomy
- aeropause
- aerophagia
- aerophilately
- aerophobia
- aerophone
- aerophore