12-letter words containing r, i, c, e, o, a
- precariously — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
- precessional — the act or fact of preceding; precedence.
- precipitator — to hasten the occurrence of; bring about prematurely, hastily, or suddenly: to precipitate an international crisis.
- precognizant — having prior cognizance or knowledge of a given thing
- preconciliar — (in the Catholic church) of or pertaining to a period prior to a church council, particularly one of the Vatican Councils
- predominance — the state, condition, or quality of being predominant: the predominance of the rich over the poor.
- prefectorial — of, relating to, or characteristic of a prefect: prefectorial powers.
- preordinance — an authoritative rule or law; a decree or command.
- prevaricator — a person who speaks falsely; liar.
- prime factor — any number in the set of prime numbers that is also a factor of a given integer
- primulaceous — belonging to the plant family Primulaceae.
- prince royal — the eldest son of a king or queen.
- privatdocent — (in German and certain other universities) a private teacher or lecturer recognized by the university but receiving no compensation from it, being remunerated by fees.
- pro-american — in favour of or supporting America, its people, culture, etc
- problematics — problems or difficulties in a particular situation or subject
- proboscidate — having a proboscis.
- proboscidean — pertaining to or resembling a proboscis.
- procarbazine — a drug used in the treatment of cancer, esp lymphomas
- procellarian — a bird species from the genus Procellaria
- processional — of, relating to, or characteristic of a procession.
- prochein ami — next friend.
- promuscidate — shaped like a proboscis
- propaedeutic — pertaining to or of the nature of preliminary instruction.
- propanedioic — malonic.
- proscribable — to denounce or condemn (a thing) as dangerous or harmful; prohibit.
- prosectorial — characteristic of a prosector
- protein-coat — the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus.
- protreptical — didactic
- pteroic acid — a crystalline acid found in spinach
- 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.
- putrefaction — the act or process of putrefying; the anaerobic decomposition of organic matter by bacteria and fungi that results in obnoxiously odorous products; rotting.
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- 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.
- rachiotomies — Plural form of rachiotomy.
- 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 source — a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.
- radioecology — the branch of ecology concerned with the effects of radioactivity on the environment
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- radionuclide — a radioactive nuclide.
- ravioli code — (jargon, humour) Object-oriented code consisting of a number of small and loosely-coupled software components. Presumably, the term is a compliment, contrasting the code with spaghetti code.
- reactivation — to render active again; revive.
- reallocation — the act of allocating; apportionment.
- recategorize — to arrange in categories or classes; classify.
- recessionary — of, relating to, or causing recession, especially economic recession: recessionary market pressures.
- reciprocally — given or felt by each toward the other; mutual: reciprocal respect.