9-letter words containing ro
- 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
- affronted — experiencing an insult
- affrontee — having faces or fronts towards each other
- affronter — Someone who affronts.
- afro-comb — a comb with a handle and long teeth used esp on curly hair
- age group — An age group is the people in a place or organization who were born during a particular period of time, for example all the people aged between 18 and 25.
- age-group — persons of approximately the same age and often of the same sex, nationality, educational or social background, etc.
- age-proof — not adversely affected by a person's age
- agrodolce — an Italian sweet-and-sour sauce, made with onions, garlic, red wine vinegar, sugar, and raisins
- 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.
- 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 route — a designated route for aircraft flying between particular ground locations at specified minimum altitudes.
- airdromes — Plural form of airdrome.
- albatross — An albatross is a very large white seabird.
- albuterol — a bronchodilator used by sufferers of asthma, emphysema, and other lung conditions, to treat symptoms such as wheezing or shortness of breath
- alembroth — a double salt composed of the chlorides of ammonium and mercury, formerly believed to be a universal solvent
- aleuronic — related to the aleurone layer
- algarroba — the edible pod of these trees
- algarrobo — a carob tree native to the Mediterranean region
- all-round — An all-round person is good at a lot of different skills, academic subjects, or sports.
- allotrope — any of two or more physical forms in which an element can exist
- allotropy — the existence of an element in two or more physical forms. The most common elements having this property are carbon, sulphur, and phosphorus
- alum rock — a town in W central California, near San Jose.
- alumroots — Plural form of alumroot.
- 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.
- 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.
- ambrotype — an early type of glass negative that could be made to appear as a positive by backing it with black varnish or paper