9-letter words containing r, i, o
- aerolites — Plural form of aerolite.
- aeronomic — of or relating to the study of the upper atmosphere
- aerophile — (biology) Any air-breathing organism.
- aerospike — a type of rocket engine
- 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
- affording — to be able to do, manage, or bear without serious consequence or adverse effect: The country can't afford another drought.
- aforesaid — Aforesaid means the same as aforementioned.
- aforetime — formerly
- agincourt — a battle fought in 1415 near the village of Azincourt, N France: a decisive victory for English longbowmen under Henry V over French forces vastly superior in number
- agitators — a person who stirs up others in order to upset the status quo and further a political, social, or other cause: The boss said he would fire any union agitators.
- agreation — the procedure followed by a government for determining the acceptability to a foreign government of a proposed envoy.
- agrigento — a town in Italy, in SW Sicily: site of six Greek temples. Pop: 54 619 (2001)
- agriology — the study of primitive peoples
- agrologic — of or relating to agrology
- agromania — an abnormal desire to live alone, especially in an isolated area.
- agronomic — the science of soil management and the production of field crops.
- ahistoric — not related to or concerned with documented history
- air cargo — cargo transported or to be transported by an air carrier.
- air coach — coach (def 4).
- air corps — (before July 26, 1947) a branch of the U.S. Army concerned with military aviation.
- air cover — the use of aircraft to provide aerial protection for ground forces against enemy air attack
- air force — An air force is the part of a country's armed forces that is concerned with fighting in the air.
- air frost — the deposition of ice condensed from water vapour in the atmosphere on the surface when the air temperature is below 0°C
- air hoist — a pneumatic hoist.
- air power — A nation's air power is the strength of its air force.
- air route — a designated route for aircraft flying between particular ground locations at specified minimum altitudes.
- air scoop — a device fitted to the surface of an aircraft to provide air pressure or ventilation from the airflow
- air scout — a scout belonging to a scout troop that specializes in flying, gliding, etc
- air-bound — stopped up by air.
- airdromes — Plural form of airdrome.
- airmobile — capable of being moved by air, esp by helicopter
- airworthy — If an aircraft is airworthy, it is safe to fly.
- aleatoric — designating or of music that involves chance or unpredictability in composition or performance or both
- aleuronic — related to the aleurone layer
- algorithm — An algorithm is a series of mathematical steps, especially in a computer program, which will give you the answer to a particular kind of problem or question.
- alienator — A person who alienates.
- allegoric — consisting of or pertaining to allegory; of the nature of or containing allgegory; figurative: an allegorical poem; an allegorical meaning.
- alligator — An alligator is a large reptile with short legs, a long tail and very powerful jaws.
- allobaric — of or relating to change in atmospheric pressure: allobaric wind.
- almoravid — a member of a Muslim dynasty ruling in Spain and northern Africa from 1056 to 1147.
- amatorial — of or relating to lovers or lovemaking; expressive of love: amatory poems; an amatory look.
- amatorian — amatorial
- amaurosis — blindness, esp when occurring without observable damage to the eye
- amaurotic — partial or total loss of sight, especially in the absence of a gross lesion or injury.
- ambipolar — (of plasmas and semiconductors) involving both positive and negative charge carriers
- ambrosiac — Having the qualities of ambrosia; delicious.
- ambrosial — of or fit for the gods; divine
- ambrosian — exceptionally pleasing to taste or smell; especially delicious or fragrant.
- amebiform — That resembles an amoeba / ameba.