12-letter words containing u, r, s, o
- 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.
- diphosphorus — (chemistry, in combination) two atoms of phosphorus in a compound.
- 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)
- discomfiture — Archaic. defeat in battle; rout.
- discomposure — the state of being discomposed; disorder; agitation; perturbation.
- discongruity — incongruity.
- discouraging — to deprive of courage, hope, or confidence; dishearten; dispirit.
- discourteous — not courteous; impolite; uncivil; rude: a discourteous salesman.
- discoverture — the state of being discovert; freedom from coverture.
- disenamoured — to disillusion; disenchant (usually used in the passive and followed by of or with): He was disenamored of working in the city.
- dishonouring — Present participle of dishonour.
- disinvoltura — Self-assurance; lack of constraint.
- disquisitory — of or relating to disquisition
- dissimulator — One who dissimulates.
- distribution — an act or instance of distributing.
- distributors — Plural form of distributor.
- dodecandrous — (of a plant) having twelve stamens
- doloriferous — causing pain or sadness, dolorific
- dolorousness — The quality of being dolorous.
- double doors — set of 2 doors side by side
- double first — a first in two subjects.
- double sharp — a symbol (× or ) that raises by two semitones the pitch of the following note.
- double sugar — disaccharide.
- double-cross — to prove treacherous to; betray or swindle, as by a double cross.
- douglas hurd — a third-class university degree
- dreadnoughts — Plural form of dreadnought.
- dromaeosaurs — Plural form of dromaeosaur.
- drop biscuit — a biscuit made by dropping baking powder biscuit dough from a spoon onto a pan for baking.
- droseraceous — of or relating to the genus of plants Drosera
- droughtiness — Dryness of the weather; lack of rain.
- dry tortugas — a group of eight coral islands at the entrance to the Gulf of Mexico: part of Florida
- dryopithecus — an extinct genus of generalized hominoids that lived in Europe and Africa during the Miocene Epoch and whose members are characterized by small molars and incisors.
- dual-purpose — serving two functions.
- dusky grouse — blue grouse.
- dust counter — any instrument used to measure the size and number of dust particles per unit volume in the atmosphere.
- dusty clover — a bush clover, Lespedeza capitata.
- echo sounder — a sonar instrument that uses echolocation to measure depths under water.
- edaphosaurus — Any of several dinosaurs of the family Edaphosauridae, from the Carboniferous and Permian periods, that had a distinctive dorsal sail or crest.
- effusiometer — an apparatus for determining rates of effusion of gases, usually used for measuring molecular weights
- eggdrop soup — a soup made by stirring beaten eggs into a simmering broth.
- electrocutes — Third-person singular simple present indicative form of electrocute.
- electrotonus — the change in the state of irritability and conductivity of a nerve or muscle caused by the passage of an electric current
- elytrigerous — having elytra
- embourgeoise — to make bourgeois
- encrustation — The action of encrusting or state of being encrusted.
- endovascular — Within a blood vessel.
- enormousness — Great size or magnitude.
- enterococcus — A streptococcus of a group that occurs naturally in the intestine but causes inflammation and blood infection if introduced elsewhere in the body (e.g., by injury or surgery).
- enteropneust — a worm-like marine invertebrate