12-letter words containing a, e, r, i
- agrochemical — a chemical, such as a pesticide, used for agricultural purposes
- aide-memoire — An aide-memoire is something such as a list that you use to remind you of something.
- aids-related — caused by or associated with the AIDS virus
- aileron roll — a roll consisting of one or more rotations, usually controlled by the use of ailerons.
- ailurophiles — Plural form of ailurophile.
- ailurophobes — Plural form of ailurophobe.
- air cylinder — a cylinder containing air, esp one fitted with a piston and used for damping purposes
- air disaster — a very serious air crash in which in a lot of people are killed or injured
- air embolism — the presence in the tissues and blood of a gas, such as air or nitrogen bubbles, caused by an injection of air or, in the case of nitrogen, by an abrupt and substantial reduction in the ambient pressure
- air layering — a method of propagating a plant by girdling or cutting part way into a stem or branch and packing the area with a moist medium, as sphagnum moss, stimulating root formation so that the stem or branch can be removed and grown as an independent plant.
- air mattress — an inflatable mattress or pad, as of plastic or rubber, used for camping, as an extra bed, etc.
- air observer — observer (def 3).
- air pressure — the force of air pressing down on an area
- air purifier — a device which removes pollutants and allergens from the air
- air terminal — An air terminal is a building in which passengers wait before they get on to an aeroplane.
- air-breather — an aircraft, missile, or submarine engine that requires air from the atmosphere for the combustion of its fuel.
- air-sea base — a centre from which military aircraft and naval vessels operate
- airfreighted — Simple past tense and past participle of airfreight.
- airpocalypse — (informal) The presence of dense smog in many parts of China.
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- airtightness — the quality of being airtight
- alberti bass — a reiterated broken-chord figure used as an accompaniment, especially in 18th-century rococo keyboard music.
- aldebaranium — (chemistry, obsolete) A rejected name for ytterbium.
- aldermanlike — resembling an alderman, esp in being pompous
- alexander ii — 1198–1249, king of Scotland (1214–49), son of William (the Lion)
- alexander iv — (Rinaldo Conti) died 1261, Italian ecclesiastic: pope 1254–61.
- alexander vi — original name Rodrigo Borgia. 1431–1503, pope (1492–1503): noted for his extravagance and immorality as well as for his patronage of the arts; father of Cesare and Lucrezia Borgia, with whom he is said to have committed incest
- alexandrines — Plural form of alexandrine.
- alexandrinus — the Greek uncial codex, dating from the early 5th century a.d., originally containing the complete text of the Greek Old and New Testaments.
- alexipharmac — an antidote
- alexipharmic — acting as an antidote
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alice palmer — Alice Elvira, 1855–1902, U.S. educator.
- alice's fern — Hartford fern.
- alieni juris — under the control of another, as a lunatic or infant.
- alkalimeters — Plural form of alkalimeter.
- all-american — If you describe someone as an all-American boy or girl, you mean that they seem to have all the typical qualities that are valued by ordinary Americans, such as good looks and love of their country.
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allegorizing — Present participle of allegorize.
- allegrissimo — (music) A direction in musical notation indicating that the musical piece should be played very fast and lively.
- allergically — In an allergic manner; because of allergies.
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- alliterative — Alliterative means relating to or connected with alliteration.
- alluringness — The state or quality of being alluring.
- alphabetiser — Non-Oxford British standard spelling of alphabetizer.
- alphabetizer — to put or arrange in alphabetical order.
- alphamerical — relating to alphanumeric characters
- alphanumeric — (of a character set, code, or file of data) consisting of alphabetical and numerical symbols
- alphaviruses — Plural form of alphavirus.
- alstroemeria — any plant of the tuberous perennial liliaceous genus Alstroemeria, originally S American, grown for their brightly coloured orchid-like flowers