11-letter words containing a, e, r, o
- adulterator — One who or that which adulterates, or harms the purity of, something.
- adventurous — Someone who is adventurous is willing to take risks and to try new methods. Something that is adventurous involves new things or ideas.
- advertorial — An advertorial is an advertisement that uses the style of newspaper or magazine articles or television documentary programmes, so that it appears to be giving facts and not trying to sell a product.
- aeciospores — Plural form of aeciospore.
- aelurophile — ailurophile.
- aelurophobe — ailurophobe.
- aeolotropic — anisotropic
- aerial root — a root that grows from the stem of a plant, above ground or above water
- aero engine — an engine for powering an aircraft
- aero-optics — the study of the effect of aircraft-induced and atmospheric disturbances on the efficiency of laser weapons
- aerobically — in an aerobic manner
- aerobiology — the study of airborne organisms, spores, etc
- aerobraking — the use of aerodynamic braking in extremely low-density atmospheres in space at hypersonic Mach numbers
- aeroculture — a method of growing plants without soil by suspending them above sprays that constantly moisten the roots with water and nutrients.
- aerodonetic — Relating to aerodonetics.
- aerodromics — (obsolete) The science of flying airplanes.
- aerodynamic — If something such as a car has an aerodynamic shape or design, it goes faster and uses less fuel than other cars because the air passes over it more easily.
- aeroelastic — capable of changing shape under aerodynamic forces
- aerokinesis — An ability to control the movement of air.
- aeromedical — relating to the medical treatment of disorders associated with air or space travel
- aeronautics — Aeronautics is the science of designing and building aeroplanes.
- aerosol can — a container for substances stored as aerosols, such as paint, polish, or insecticide
- aerosolised — Simple past tense and past participle of aerosolise.
- aerosolized — Simple past tense and past participle of aerosolize.
- aerostatics — the study of gases in equilibrium and bodies held in equilibrium in gases
- aerostation — the science of operating lighter-than-air craft
- aerotropism — the growth of plants towards or away from a source of oxygen
- afforcement — an increase in force or strength
- affordances — Plural form of affordance.
- afforesting — Present participle of afforest.
- aforestated — Stated earlier in a document.
- afrocentric — centered on, emphasizing, or showing the influence of African or, sometimes, African-American history and culture
- after hours — occurring, engaged in, or operating after the normal or legal closing time for business: an after-hours drinking club.
- after-hours — You use after-hours to describe activities which happen after the end of the usual time for them.
- aftercooler — a device for cooling compressed air or gases to reduce their volume or temperature.
- aftergrowth — any secondary growth of a crop after harvesting
- afternoon's — the time from noon until evening.
- afternooner — a person or thing that appears, flourishes, etc., in the afternoon: One of radio's favorite afternooners is a soap opera.
- afterschool — for students and taking place after they finish their day in school, usually in the late afternoon: He’s looking for an afterschool job. Is there afterschool tutoring in math?
- aftershocks — Plural form of aftershock.
- afterworlds — Plural form of afterworld.
- agamospermy — formation of seeds in the absence of fertilization; a form of apomixis
- agglomerate — to form or be formed into a mass or cluster; collect
- aggregation — the act or process of aggregating
- aggregators — Plural form of aggregator.
- aggregatory — formed by the conjunction or collection of particulars into a whole mass or sum; total; combined: the aggregate amount of indebtedness.
- aggressions — the action of a state in violating by force the rights of another state, particularly its territorial rights; an unprovoked offensive, attack, invasion, or the like: The army is prepared to stop any foreign aggression.
- ailurophile — a person who likes cats
- ailurophobe — a person who dislikes or is afraid of cats
- air hostess — An air hostess is a woman whose job is to look after the passengers in an aircraft.