12-letter words containing c, r, a, n, i, o
- protactinium — a radioactive, metallic element. Symbol: Pa; atomic number: 91.
- protein-coat — the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus.
- provincially — belonging or peculiar to some particular province; local: the provincial newspaper.
- 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.
- 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.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- pyromaniacal — a compulsion to set things on fire.
- 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.
- 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.
- race norming — the process of statistically adjusting the scores of minority job applicants on job-qualification tests by rating each test-taker's score against the results of others in his or her racial or ethnic group.
- racemization — the conversion of an optically active substance into an optically inactive mixture of equal amounts of the dextrorotatory and levorotatory forms.
- rachmaninoff — Sergei Wassilievitch [sur-gey vuh-seel-yuh-vich;; Russian syir-gyey vuh-syee-lyi-vyich] /sɜrˈgeɪ vəˈsil yə vɪtʃ;; Russian syɪrˈgyeɪ vʌˈsyi lyɪ vyɪtʃ/ (Show IPA), 1873–1943, Russian pianist and composer.
- racing homer — a kind of homing pigeon used for racing
- radio beacon — a radio station that sends a characteristic signal so as to enable ships or airplanes to determine their position or bearing by means of a radio compass.
- radio-carbon — Also called carbon 14. a radioactive isotope of carbon with mass number 14 and a half-life of about 5730 years: widely used in the dating of organic materials.
- 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.
- ramification — the act or process of ramifying.
- ratification — the act of ratifying; confirmation; sanction.
- reactivation — to render active again; revive.
- reallocation — the act of allocating; apportionment.
- recessionary — of, relating to, or causing recession, especially economic recession: recessionary market pressures.
- recognizable — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- recognizance — Law. a bond or obligation of record entered into before a court of record or a magistrate, binding a person to do a particular act. the sum pledged as surety on such a bond.
- reconcilable — capable of being reconciled.
- recoronation — the act or ceremony of crowning a king, queen, or other sovereign.
- recreational — of or relating to recreation: recreational facilities in the park.
- recuperation — to recover from sickness or exhaustion; regain health or strength.
- redecoration — something used for decorating; adornment; embellishment: The gymnasium was adorned with posters and crepe-paper decorations for the dance.
- rededication — the act of dedicating.
- 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.
- retinotectal — of or relating to the retina and the tectum
- rhinocerical — of or relating to the rhinoceros
- ribbon cable — (hardware) A type of flat multicore cable with cores positioned side-by-side, making it quick and relatively easy to clamp an Insulation Displacement Connector (IDC) across all cores. Ribbon cables typically have grey insulation with cores on a 0.050" pitch and a red stripe marking Pin 1. They are less resilient than screened, multicore cable and are usually used inside equipment where little movement or plugging and unplugging are expected. A common use is connecting a disk drive to the motherboard in a PC.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- road pricing — Road pricing is a system of making drivers pay money for driving on certain roads by electronically recording the movement of vehicles on those roads.
- rock carving — the practice of carving on rock
- rock jasmine — any of several alpine plants belonging to the genus Androsace, of the primrose family, having tufted leaves often in basal rosettes, and umbels of pink, red, purple, or white flowers.
- roller chain — a power chain consisting of parallel pairs of flat links joined by pins covered with rollers, and engaging with the teeth of sprockets.
- romantically — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.