13-letter words containing m, o, n, a
- protoactinium — protactinium.
- provincialism — narrowness of mind, ignorance, or the like, considered as resulting from lack of exposure to cultural or intellectual activity.
- psychodynamic — Psychology. any clinical approach to personality, as Freud's, that sees personality as the result of a dynamic interplay of conscious and unconscious factors.
- public domain — the status of a literary work or an invention whose copyright or patent has expired or that never had such protection.
- pusillanimous — lacking courage or resolution; cowardly; faint-hearted; timid.
- quartodeciman — one of a group of early Christians who observed Easter on the day of the Jewish Passover regardless of whether or not it was Sunday
- question mark — Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.
- rabbath ammon — Amman.
- radial motion — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
- radioactinium — the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days. Symbol: RdAc, Th 227.
- rambling rose — any of various cultivated hybrid roses that straggle over other vegetation
- ramifications — the act or process of ramifying.
- ramon y cajal — Santiago [sahn-tyah-gaw] /sɑnˈtyɑ gɔ/ (Show IPA), 1852–1934, Spanish histologist: Nobel Prize in medicine 1906.
- random access — designating or of a volatile memory that allows data to be accessed directly and does not require following a sequence of storage locations
- random number — pseudorandom number
- random rubble — masonry in which untooled stones are set without coursing
- random sample — a statistical sample that is devised to avoid interference so that its distribution is affected only by, and so can be held to represent, that of the whole population
- random-access — direct-access.
- randomization — to order or select in a random manner, as in a sample or experiment, especially in order to reduce bias and interference caused by irrelevant variables; make random.
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- rational form — a quotient of two polynomials with integral coefficients.
- ray tomlinson — (person) An engineer at Bolt Beranek and Newman who, in July 1972 while designing the first[?] electronic mail program, chose the commercial at symbol "@" to separate the user name from the computer name.
- reach-me-down — a garment that is cheaply ready-made or second-hand
- reaction time — the interval between stimulation and response.
- reactionarism — of, pertaining to, marked by, or favoring reaction, especially extreme conservatism or rightism in politics; opposing political or social change.
- reaffirmation — the act or an instance of affirming; state of being affirmed.
- reappointment — a fixed mutual agreement for a meeting; engagement: We made an appointment to meet again.
- recombination — any of several processes by which genetic material of different origins becomes combined. It most commonly occurs between two sets of parental chromosomes during production of germ cells
- recommendable — to present as worthy of confidence, acceptance, use, etc.; commend; mention favorably: to recommend an applicant for a job; to recommend a book.
- recommendably — in a way that is recommendable
- recompilation — the act of compiling: the compilation of documents.
- recomputation — an act, process, or method of computing; calculation.
- recontaminate — to contaminate (an area, person, hands, etc) again
- recrimination — the act of recriminating, or countercharging: Hope gave way to recrimination with both sides claiming the moral high ground.
- redemonstrate — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- reexamination — further study or inspection
- refashionment — the act or state of being refashioned
- reformulation — to formulate again.
- regimentation — the act of regimenting or the state of being regimented.
- regiomontanus — Friedrich Max [free-drik maks;; German free-drikh mahks] /ˈfri drɪk mæks;; German ˈfri drɪx mɑks/ (Show IPA), 1823–1900, English Sanskrit scholar and philologist born in Germany.
- remonstrantly — in a remonstrant or opposing manner
- remonstration — to say or plead in protest, objection, or disapproval.
- remonstrative — to say or plead in protest, objection, or disapproval.
- remonstratory — characterized by protest or expostulation
- reperformance — a musical, dramatic, or other entertainment presented before an audience.
- restimulation — the act or process of stimulating again; reactivation
- resublimation — Psychology. the diversion of the energy of a sexual or other biological impulse from its immediate goal to one of a more acceptable social, moral, or aesthetic nature or use.
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- rhodesian man — an extinct Pleistocene human whose cranial remains were found at Kabwe, in Zambia: formerly in some classifications Homo rhodesiensis but now considered archaic Homo sapiens.
- rhythmization — the act or process of rhythmizing something