12-letter words containing u, p, r, a
- colour phase — a seasonal change in the coloration of some animals
- compulsatory — compulsory
- compurgation — (formerly) a method of trial whereby a defendant might be acquitted if a sufficient number of persons swore to his innocence
- computer age — modern society regarded as the period when the widespread use of computers has fundamentally changed people's lives
- computer law — a body of law arising out of the special conditions relating to the use of computers, as in computer crime or software copyright.
- contrapuntal — characterized by counterpoint
- coprophagous — (esp of certain beetles) feeding on dung
- coram populo — in the presence of the people; publicly
- coulrophobia — an abnormal fear of clowns.
- counterpanes — Plural form of counterpane.
- counterparts — a person or thing closely resembling another, especially in function: Our president is the counterpart of your prime minister.
- counterparty — a person who is a party to a contract
- counterplead — to plead the opposite of
- counterpleas — Plural form of counterplea.
- counterscarp — the outer side of the ditch of a fort
- counterstamp — a stamp added to a stamped paper or document as a qualifying mark.
- country park — an area of countryside, usually not less than 10 hectares, set aside for public recreation: often funded by a Countryside Commission grant
- craw-thumper — an ostentatiously pious person
- crop failure — a failure of crops to yield sufficient food, etc, to maintain a community or to provide a surplus to sell
- crucian carp — a common cyprinid, Carassius carassius, that closely resembles the wild form of goldfish, occurring in streams in most parts of Europe and northern Asia.
- cryptogamous — Of or pertaining to the cryptogams.
- culebra peak — a peak in S central Colorado, in the Culebra Range of the Sangre de Cristo Mountains. 14,069 feet (4288 meters).
- cupid's dart — blue succory.
- cupid's-dart — blue succory.
- cuprammonium — an ion of copper oxide used (in solution) in the manufacture of rayon and other man-made fibres
- curietherapy — a form of radiation therapy using radium
- curtail step — the step or steps at the foot of a flight of stairs, widened at one or both ends and terminated with a scroll
- curtail-step — a horizontal, spiral termination to the lower end of a stair railing.
- curtain pole — a pole from which a curtain is hung in front of a window, door, etc
- d'anjou pear — Anjou pear
- daguerrotype — Misspelling of daguerreotype.
- darwin tulip — a class of tulips having a tall stem and broad, bright-colored flowers with a flat, rectangular base.
- data capture — any process for converting information into a form that can be handled by a computer
- deuteranopia — a form of colour blindness in which there is a tendency to confuse blues and greens, and greens and reds, and in which sensitivity to green is reduced
- deuteropathy — any abnormality that is secondary to another pathological condition.
- 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.
- dispauperize — to free (a person) from the state of being a pauper
- disreputable — not reputable; having a bad reputation: a disreputable barroom.
- disreputably — In a disreputable manner.
- do your part — contribute
- dolphinarium — An aquarium in which dolphins are kept and trained for public entertainment.
- double sharp — a symbol (× or ) that raises by two semitones the pitch of the following note.
- draughtproof — That prevents the access of draughts.
- drawbar pull — the force, measured in pounds, available to a locomotive for pulling rolling stock after overcoming its own tractive resistance.
- drop curtain — a curtain that is lowered into position from the flies.
- dropout rate — the percentage of students failing to complete a particular school or college course
- dual-purpose — serving two functions.
- duplex paper — paper with a different finish or colour on each of the sides
- dust wrapper — dust jacket (sense 1)
- dvapara yuga — the third of the Yugas, not as good as the Treta Yuga but better than the Kali Yuga.