11-letter words containing a, n, e, i, r
- arctic tern — a black-capped tern, Sterna paradisea, that breeds in the Arctic and then migrates as far south as the Antarctic
- arctic zone — the section of the earth's surface lying between the Arctic Circle and the North Pole.
- arenicolous — growing or living in sand or sandy places
- areocentric — relating to a reference system which has Mars as its centre
- argentinean — a native or inhabitant of Argentina.
- argentinian — Argentinian means belonging or relating to Argentina or its people.
- argumentive — argumentative
- armentieres — a town in N France: site of battles in both World Wars. Pop: 25 273 (1999)
- aroint thee — away! begone!
- arolla pine — a five-needled pine tree, Pinus cembra, found esp in mountain regions of Central Europe and yielding edible seeds
- arraignment — Arraignment is when someone is brought before a court of law to answer a particular charge.
- arrestation — the slowing or stopping of the development or progress of something
- arrestingly — attracting or capable of attracting attention or interest; striking: an arresting smile.
- arriere-ban — (in medieval France) a summons to the king's vassals to do military service
- arsenicated — Treated with arsenate or other arsenic compound.
- artemisinin — a drug obtained from the plant genus Artemisia and used to treat malaria
- arylamines' — any of a group of amines in which one or more of the hydrogen atoms of ammonia are replaced by aromatic groups.
- arytenoidal — relating to the arytenoid cartilages in the larynx and also to other parts relating to them
- ascertained — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- ashlar line — a horizontal line, indicated at a building site with a taut string, that corresponds to the exterior surface plane of a masonry wall.
- asperations — Plural form of asperation.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- assertation — An assertion, statement of opinion.
- asterisking — Present participle of asterisk.
- asteroidean — an echinoderm of the class Asteroidea, comprising the starfishes.
- astringence — Alternative spelling of astringency.
- astringency — An astringent taste.
- astringents — Plural form of astringent.
- astronomize — to practise or study astronomy or engage in astronomical matters
- asynartetic — having or containing two different types of metre
- at variance — If one thing is at variance with another, the two things seem to contradict each other.
- atherogenic — causing atheroma
- atriopeptin — any of several peptide hormones that are released by the atria of the heart in response to an abnormal increase in blood volume and that modulate blood pressure and the excretion of sodium, potassium, and water. Abbreviation: ANF.
- attempering — Present participle of attemper.
- attorneyism — the slyness and cleverness associated with attorneys
- auctioneers — Plural form of auctioneer.
- austronesia — the islands of the central and S Pacific, including Indonesia, Melanesia, Micronesia, and Polynesia
- autowinders — Plural form of autowinder.
- autozeroing — (electronics) A sampling technique that measures an offset from zero and later compensates by subtracting the difference.
- aversion-to — a strong feeling of dislike, opposition, repugnance, or antipathy (usually followed by to): a strong aversion to snakes and spiders.
- awestricken — filled with awe.
- axonometric — of or relating to a projection method of representing three-dimensional objects on a flat surface
- azerbaijani — a native or inhabitant of Azerbaijan
- baby-minder — a person who is paid to look after other people's babies or very young children
- bacteriocin — any protein-based toxin given off by bacteria to prevent the growth of related bacteria nearby
- ballbearing — Alternative form of ball bearing.
- bandeirante — a 16th–18th-century Portugese explorer in South America motivated by profit, known for hunting down natives for slaves as well as for locating mines of precious stones and metals
- banderillas — Plural form of banderilla.
- bandkeramik — the pottery of the early Neolithic Danubian culture of Europe, having characteristic parallel spiral lines over the body and neck of the gourdlike vessels and dated 5000–4000 b.c.
- baneberries — Plural form of baneberry.