15-letter words containing a, e, r, i
- aerotitis media — temporary deafness and pain arising from traumatic inflammation of the middle ear, caused by a rapid change in barometric pressure, as a rise in ambient cabin pressure in an aircraft descending from high altitude for landing.
- affaire d'amour — a love affair
- affine geometry — the branch of geometry dealing with affine transformations.
- affirmativeness — The property of being affirmative.
- africanized bee — a hybrid of African and European honeybees, developed in Brazil and known for its disease resistance and superior honey production
- after a fashion — If you say that something was done after a fashion, you mean that it was done, but not very well.
- age of aquarius — an astrological era believed to bring increased spirituality and harmony on earth.
- age-appropriate — Something that is age-appropriate is suitable for the age that a person is.
- agree to differ — to end an argument amicably while maintaining differences of opinion
- agribusinessman — a person who engages in agribusiness
- ah, wilderness! — a comedy (1933) by Eugene O'Neill.
- air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
- air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
- air force cross — a U.S. Air Force decoration awarded for extraordinary heroism in action
- air-raid warden — a member of a civil defence organization responsible for enforcing regulations, etc, during an air attack
- air-superiority — designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
- airborne attack — an attack involving airborne troops
- airmail edition — an edition of a newspaper that is printed on very thin paper so it is easier and cheaper to distribute
- airmail sticker — a sticker that is put on airmail letters to make sure they are not sent by surface mail
- airs and graces — If you refer to someone's airs and graces, you mean that they behave in a way that shows that they think they are more important than other people.
- aix-en-provence — a city and spa in SE France: the medieval capital of Provence. Pop: 145 721 (2006)
- albert memorial — monument to Prince Albert of England in Kensington Gardens, London: 175 ft (53 m) high
- alberta clipper — (in Canada) an area of low pressure that forms in winter near the Rocky Mountains
- alexandrine rat — roof rat.
- alexandroupolis — a port in NE Greece, in W Thrace. Pop: 52 720 (2001 est)
- alfred e. smith — Adam, 1723–90, Scottish economist.
- algerian stripe — a fabric woven with alternate stripes of coarse cotton and silk, usually cream-colored.
- alignment chart — nomogram.
- all-wheel drive — a system used in motor vehicles in which all four (or more) wheels are permanently connected to the source of power, in such a way that each wheel is able to rotate at a different speed
- allegoricalness — the quality of being allegorical
- alligator shear — heavy shears for cutting metal slabs.
- allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
- allotetraploidy — the condition of being an allotetraploid
- almirante brown — a city in E Argentina, near Buenos Aires.
- alopecia areata — loss of hair in circumscribed patches.
- alpes-maritimes — a department of the SE corner of France in Provence-Alpes-Côte-d'Azur region. Capital: Nice. Pop: 1 045 973 (2003 est). Area: 4298 sq km (1676 sq miles)
- alpha geminorum — Castor
- alpha privative — (in Greek grammar) the letter alpha (or an- before vowels) used as a negative or privative prefix. It appears in English words derived from Greek, as in atheist, anaesthetic
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- alsace-lorraine — an area of NE France, comprising the modern regions of Alsace and Lorraine: under German rule 1871–1919 and 1940–44. Area: 14 522 sq km (5607 sq miles)
- alternativeness — The state of being alternative or representing alternatives.
- aluminum borate — a white, granular, water-insoluble powder, 2Al 2 O 3 ⋅B 2 O 3 ⋅3H 2 O, used chiefly in the manufacture of crown glass.
- aluminum bronze — any of several alloys containing a high percentage of copper with from 5 to 11 percent aluminum and varying amounts of iron, nickel, manganese, and other elements.
- amaryllidaceous — of, relating to, or belonging to the Amaryllidaceae, a family of widely cultivated flowering plants having bulbs and including the amaryllis, snowdrop, narcissus, and daffodil
- ambrosia beetle — any of various small beetles of the genera Anisandrus, Xyleborus, etc, that bore tunnels into solid wood, feeding on fungi growing in the tunnels: family Scolytidae (bark beetles)
- ambulance train — a train designed to carry sick or injured people
- amegakaryocytic — Characterized by a lack of megakaryocytes.
- america firster — a member or supporter of the America First Committee.
- american beauty — a variety of hybrid, perennial red rose
- american blight — any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum (woolly apple aphid or American blight) and Prociphilus tessellatus (woolly alder aphid)