9-letter words containing a, e, r, o
- adorkable — socially inept or unfashionable in a charming or endearing way
- adornment — An adornment is something that is used to make a person or thing more beautiful.
- adsorbate — a substance that has been or is to be adsorbed on a surface
- adsorbent — capable of adsorption
- adversion — (obsolete) An adverting or turning towards; attention.
- advocater — Alternative form of advocator.
- advoutrer — an adulterer
- aegrotats — Plural form of aegrotat.
- aepyornis — any of the large extinct flightless birds of the genus Aepyornis, remains of which have been found in Madagascar
- aerobatic — (used with a plural verb) stunts performed in flight by an airplane, glider, or the like.
- aerobiont — an organism that requires oxygen to survive
- aerobrake — to perform aerobraking
- aerodrome — An aerodrome is a place or area where small aircraft can land and take off.
- aerofoils — Plural form of aerofoil.
- aerogenic — producing gas, as certain bacteria.
- aerograms — Plural form of aerogram.
- aerograph — a device formerly used to make descriptions of the character of the upper atmosphere
- aerolites — Plural form of aerolite.
- aeromancy — the interpretation of the weather and atmospheric conditions to foretell the future
- aerometer — an instrument for determining the mass or density of a gas, esp air
- aerometry — an instrument for determining the weight, density, etc., of air or other gases.
- aeromotor — an engine that powers an aircraft
- aeronauts — A traveler in a hot-air balloon, airship, or other flying craft.
- aeronomer — a scientist who studies the upper atmosphere of planets
- aeronomic — of or relating to the study of the upper atmosphere
- aeropause — the region of the upper atmosphere above which aircraft cannot fly
- aerophile — (biology) Any air-breathing organism.
- aerophobe — a person who suffers from aerophobia
- aerophone — any musical instrument in which sound is produced by air vibrations
- aerophore — a device which supplies oxygen in order to aid breathing
- aerophoto — aerial photograph.
- aerophyte — epiphyte.
- aeroplane — An aeroplane is a vehicle with wings and one or more engines that enable it to fly through the air.
- aeropulse — a pulsejet engine
- aeroscope — a device that collects bacteria from the air, used for observing the atmosphere
- aeroshell — a protective shield, containing a parachute, which slows a spacecraft during re-entry to the earth's atmosphere and landing
- aerospace — Aerospace companies are involved in developing and making rockets, missiles, space vehicles, and related equipment.
- aerospike — a type of rocket engine
- aerostats — Plural form of aerostat.
- aerotaxis — the movement of organisms towards or away from oxygen caused by changes in oxygen concentration
- aerotrain — a high-speed train driven by a fan jet engine
- affoorded — Simple past tense and past participle of affoord.
- affordeth — Archaic third-person singular form of afford.
- afforests — Third-person singular simple present indicative form of afforest.
- affronted — experiencing an insult
- affrontee — having faces or fronts towards each other
- affronter — Someone who affronts.
- aforehand — beforehand; in advance
- aforesaid — Aforesaid means the same as aforementioned.
- aforesayd — Obsolete spelling of aforesaid.