12-letter words containing a, r, o, u, s
- countershaft — an intermediate shaft that is driven by, but rotates in the opposite direction to, a main shaft, esp in a gear train
- counterstain — to apply two or more stains in sequence to (a specimen to be examined), each of which colours a different tissue
- counterstamp — a stamp added to a stamped paper or document as a qualifying mark.
- counterstate — across state; traversing the state
- countervails — Third-person singular simple present indicative form of countervail.
- country seat — A country seat is a large house with land in the country which is owned by someone who also owns a house in a town.
- courageously — possessing or characterized by courage; brave: a courageous speech against the dictator.
- courtesy car — a car that is lent to c customer by a garage or insurance company
- crash course — A crash course in a particular subject is a short course in which you are taught basic facts or skills, for example before you start a new job.
- crematoriums — Plural form of crematorium.
- crenulations — Plural form of crenulation.
- crosscut saw — a saw for cutting timber across the grain
- cryosurgical — of or relating to cryosurgery
- cryptogamous — Of or pertaining to the cryptogams.
- 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.
- debaucherous — tending toward or involving debauchery, or excessive indulgence in sensual pleasures: a night of debaucherous fun.
- decrustation — the act of removing a crust
- desaturation — the addition of white light to a pure colour to produce a paler less saturated colour
- desquamatory — an obsolete surgical instrument once used for the desquamation of bones
- 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.
- dodecandrous — (of a plant) having twelve stamens
- double sharp — a symbol (× or ) that raises by two semitones the pitch of the following note.
- double sugar — disaccharide.
- douglas hurd — a third-class university degree
- dreadnoughts — Plural form of dreadnought.
- dromaeosaurs — Plural form of dromaeosaur.
- droseraceous — of or relating to the genus of plants Drosera
- dry tortugas — a group of eight coral islands at the entrance to the Gulf of Mexico: part of Florida
- dual-purpose — serving two functions.
- edaphosaurus — Any of several dinosaurs of the family Edaphosauridae, from the Carboniferous and Permian periods, that had a distinctive dorsal sail or crest.
- encrustation — The action of encrusting or state of being encrusted.
- endovascular — Within a blood vessel.
- enumerations — Plural form of enumeration.
- erythematous — Of or pertaining to erythema.
- escape route — way out: of situation
- exclusionary — restrictive or elitist
- extraneously — In an extraneous manner.
- fair housing — the sale and rental of private housing free of discriminatory practices or policies.
- false colour — colour used in a computer or photographic display to help in interpreting the image, as in the use of red to show high temperatures and blue to show low temperatures in an infrared image converter