12-letter words containing a, r, i, o, u, s
- burkina faso — an inland republic in W Africa: dominated by Mossi kingdoms (10th–19th centuries); French protectorate established in 1896; became an independent republic in 1960; consists mainly of a flat savanna plateau. Official language: French; Mossi and other African languages also widely spoken. Religion: mostly animist, with a large Muslim minority. Currency: franc. Capital: Ouagadougou. Pop: 17 812 961 (2013 est). Area: 273 200 sq km (105 900 sq miles)
- burro's tail — a succulent Mexican plant, Sedum morganianum, of the stonecrop family, bearing small, rose-colored flowers and long, hanging, nearly cylindrical stems with closely packed whitish-green leaves.
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- calumniators — Plural form of calumniator.
- capriciously — subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.
- carnivourous — Misspelling of carnivorous.
- cater-cousin — a close friend
- cauliflowers — Plural form of cauliflower.
- chaetiferous — having bristles
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- cichoraceous — relating to plants of the sub-order Cichoraceae
- circulations — Plural form of circulation.
- cirrostratus — a uniform layer of cloud above about 6000 metres (20 000 feet)
- cladosporium — any of the species of fungi in the genus Cladosporium
- claustration — the act of confining to a small space (usually a cloister)
- colourations — Plural form of colouration.
- conjurations — Plural form of conjuration.
- connaisseurs — Plural form of connaisseur.
- conquistador — The conquistadors were the sixteenth-century Spanish conquerors of Central and South America.
- conurbations — Plural form of conurbation.
- corrugations — the act or state of corrugating or of being corrugated.
- corruscating — Present participle of corruscate.
- counterstain — to apply two or more stains in sequence to (a specimen to be examined), each of which colours a different tissue
- countervails — Third-person singular simple present indicative form of countervail.
- crematoriums — Plural form of crematorium.
- crenulations — Plural form of crenulation.
- cryosurgical — of or relating to cryosurgery
- curanderismo — the use of folk medicine, especially as practiced by a curandero.
- curvicostate — having curved ribs
- curvirostral — having a curved or crooked beak
- dark tourism — tourism to sites associated with tragedies, disasters, and death
- david souter — David H. born 1939, U.S. jurist: associate justice of the U.S. Supreme Court 1990–2009.
- decrustation — the act of removing a crust
- desaturation — the addition of white light to a pure colour to produce a paler less saturated colour
- diégo-suarez — a seaport on N Madagascar.
- dinosaur pen — A traditional mainframe computer room complete with raised flooring, special power, its own ultra-heavy-duty air conditioning, and a side order of Halon fire extinguishers. See boa.
- disastrously — causing great distress or injury; ruinous; very unfortunate; calamitous: The rain and cold proved disastrous to his health.
- disauthorize — to take authority away from (a person or organization)
- discouraging — to deprive of courage, hope, or confidence; dishearten; dispirit.
- disenamoured — to disillusion; disenchant (usually used in the passive and followed by of or with): He was disenamored of working in the city.
- disinvoltura — Self-assurance; lack of constraint.
- dissimulator — One who dissimulates.
- encrustation — The action of encrusting or state of being encrusted.
- enumerations — Plural form of enumeration.
- exclusionary — restrictive or elitist
- fair housing — the sale and rental of private housing free of discriminatory practices or policies.
- flammiferous — flame-producing
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- formularizes — Third-person singular simple present indicative form of formularize.
- formulations — Plural form of formulation.