12-letter words containing a, c, o, u, n
- platanaceous — relating to the family Platanaceae
- pneumatocyst — the cavity of a pneumatophore.
- pneumococcal — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- poison sumac — a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.
- polynucleate — having many nuclei.
- ponce around — If you say that someone is poncing around or poncing about, you mean that they are not doing something properly, quickly, or seriously.
- porcelainous — made of or resembling porcelain
- porcelaneous — a strong, vitreous, translucent ceramic material, biscuit-fired at a low temperature, the glaze then fired at a very high temperature.
- post-nuclear — pertaining to or involving atomic weapons: nuclear war.
- pratincolous — living in a meadow.
- preannounced — to make known publicly or officially; proclaim; give notice of: to announce a special sale.
- precancerous — showing pathological changes that may be preliminary to malignancy.
- preoccupancy — the act, right, or instance of prior occupancy.
- proconsulate — the office or term of office of a proconsul.
- productional — the act of producing; creation; manufacture.
- protactinium — a radioactive, metallic element. Symbol: Pa; atomic number: 91.
- protuberance — the condition, state, or quality of being protuberant.
- protuberancy — protuberance.
- puerto rican — an island in the central West Indies: a commonwealth associated with the U.S. 3435 sq. mi. (8895 sq. km). Capital: San Juan. Abbreviation: P.R., PR.
- pugnaciously — inclined to quarrel or fight readily; quarrelsome; belligerent; combative.
- punctulation — the state of being punctulate
- puncturation — the act of puncturing
- punditocracy — influential media pundits collectively.
- purification — to make pure; free from anything that debases, pollutes, adulterates, or contaminates: to purify metals.
- putrefaction — the act or process of putrefying; the anaerobic decomposition of organic matter by bacteria and fungi that results in obnoxiously odorous products; rotting.
- quadraphonic — of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system: a quadraphonic recording.
- quadriphonic — quadraphonic.
- quadrisonics — quadraphony.
- quadrophonic — Alternative spelling of quadraphonic.
- quattrocento — the 15th century, used in reference to the Italian art and literature of that time.
- quinacridone — Any of a group of synthetic organic compounds whose molecules contain three benzene and two pyridine rings arranged alternately. They include a number of red to violet pigments.
- quindecagons — Plural form of quindecagon.
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radionuclide — a radioactive nuclide.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- ramentaceous — resembling or covered with ramenta.
- recuperation — to recover from sickness or exhaustion; regain health or strength.
- renounceable — of a nature that can be renounced
- renovascular — of or relating to the blood vessels of the kidneys.
- renunciation — an act or instance of relinquishing, abandoning, repudiating, or sacrificing something, as a right, title, person, or ambition: the king's renunciation of the throne.
- renunciatory — an act or instance of relinquishing, abandoning, repudiating, or sacrificing something, as a right, title, person, or ambition: the king's renunciation of the throne.
- reoccupation — a person's usual or principal work or business, especially as a means of earning a living; vocation: Her occupation was dentistry.
- reticulation — a reticulated formation, arrangement, or appearance; network.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- rockumentary — a documentary about rock music.
- run commands — (operating system) The expansion of the file name suffix, "rc", common to many Unix configuration files, e.g. .newsrc, .cshrc, .twmrc, elmrc, etc. Always abbreviated to /R C/ when spoken. Note, "rc" is not a typical filename extension as it doesn't start with a dot. The suffix "rc" derives from a script-creation utility in CTSS called "runcom".
- safe conduct — If you are given safe conduct, the authorities officially allow you to travel somewhere, guaranteeing that you will not be arrested or harmed while doing so.
- safe-conduct — a document authorizing safe passage through a region, especially in time of war.
- sandrocottus — Greek name of Chandragupta.
- sanguicolous — living in the blood, as a parasite.