11-letter words containing a, e, r, i
- actinodrome — (of a leaf) palmately veined.
- actinometer — an instrument for measuring the intensity of radiation, esp of the sun's rays
- actinometry — The measurement of the heating power of electromagnetic radiation, especially that of solar radiation.
- action hero — the hero in an action film
- action verb — a verb, as run, think, or soothe, that expresses something that a person, animal, object, or process in nature can do, as in Close the door! or The storm is flooding many houses along the coast, rather than expressing a state of being. Compare copula (def 2), stative.
- ad litteram — to the letter; exactly
- adhocracies — Plural form of adhocracy.
- adiathermic — impervious to heat
- adipocerite — hatchettite.
- adipocerous — Like adipocere.
- admeasuring — Present participle of admeasure.
- administers — Third-person singular simple present indicative form of administer.
- admiralties — Plural form of admiralty.
- adrenalised — Simple past tense and past participle of adrenalise.
- adrenalitis — (pathology) Inflammation of one or both adrenal glands, leading to an insufficiency of cortisol and/or aldosterone.
- adrenalized — tense or highly charged
- adumbrative — foreshadowing; sketchy; faintly indicative.
- adventuring — the act of doing adventurous things or having adventures
- adventurism — Adventurism is a willingness to take risks, especially in order to obtain an unfair advantage in politics or business.
- adventurist — If you describe someone or something as adventurist, you disapprove of them because they are willing to take risks in order to gain an unfair advantage in business or politics.
- adverbially — of, relating to, or used as an adverb.
- advergaming — a method of interactive marketing in which free downloadable computer games appear on websites (often as pop-ups) to advertise a company or product
- adversarial — If you describe something as adversarial, you mean that it involves two or more people or organizations who are opposing each other.
- adversaries — a person, group, or force that opposes or attacks; opponent; enemy; foe.
- adversative — (of a word, phrase, or clause) implying opposition or contrast. But and although are adversative conjunctions introducing adversative clauses
- adversities — adverse or unfavorable fortune or fate; a condition marked by misfortune, calamity, or distress: Friends will show their true colors in times of adversity.
- advertisers — Plural form of advertiser.
- advertising — Advertising is the activity of creating advertisements and making sure people see them.
- advertizing — the act or practice of calling public attention to one's product, service, need, etc., especially by paid announcements in newspapers and magazines, over radio or television, on billboards, etc.: to get more customers by advertising.
- 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.
- advisership — the office or post of an adviser
- aeciospores — Plural form of aeciospore.
- aelurophile — ailurophile.
- aeolotropic — anisotropic
- aerial mast — a mast on which an aerial is mounted
- aerial mine — Military. a mine designed to be dropped from the air into water.
- 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
- 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.
- aerosolised — Simple past tense and past participle of aerosolise.