13-letter words containing a, n, c, t, i
- psychasthenia — Psychiatry. (no longer in technical use) a neurosis marked by fear, anxiety, phobias, etc.
- psychasthenic — a person who has psychasthenia
- punctuational — punctuated equilibrium.
- puritan ethic — work ethic.
- pyrotechnical — of or relating to pyrotechnics.
- qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
- quantivalence — quantitative equivalence
- 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
- quincentenary — a 500th anniversary or its celebration.
- quintuplicate — a group, series, or set of five copies or identical items, especially copies of typewritten matter.
- racialisation — Non-Oxford British standard spelling of racialization.
- racialization — to impose a racial interpretation on; place in a racial context.
- radio contact — communication or contact by means of radio waves
- radio control — remote control by means of radio signals from a transmitter
- radioactinium — the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days. Symbol: RdAc, Th 227.
- radiolocation — the method or process of determining the position and velocity of an object by radar.
- ramapithecine — of or relating to an extinct hominoid of the genus Ramapithecus
- ramifications — the act or process of ramifying.
- ratiocination — the process of logical reasoning.
- ratiocinative — the process of logical reasoning.
- ration coupon — a coupon that can be exchanged for a certain quantity of rationed goods
- rationalistic — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.
- re-activation — to render active again; revive.
- re-admittance — permission or right to enter: admittance into the exhibit room.
- re-allocation — the act of allocating; apportionment.
- re-escalation — the act of re-escalating
- reacquainting — to make more or less familiar, aware, or conversant (usually followed by with): to acquaint the mayor with our plan.
- reacquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- reaction rate — The reaction rate is the speed at which a reaction happens, measured by the speed at which the feed is consumed or the speed at which the product is formed.
- 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.
- reapplication — an act or the process of reapplying a substance
- reassociation — an organization of people with a common purpose and having a formal structure.
- recalcitrance — resisting authority or control; not obedient or compliant; refractory.
- recalcitrants — resisting authority or control; not obedient or compliant; refractory.
- recalculation — recount, act of computing again
- recalibration — the act or process of recalibrating something
- recessionista — a person whose clothes, whether cheap, second-hand, or suitably subdued, are considered appropriate to an economic downturn
- reciprocating — to give, feel, etc., in return.
- reciprocation — an act or instance of reciprocating.
- recirculation — an act or instance of circulating, moving in a circle or circuit, or flowing.
- recitationist — someone who gives recitations
- recognitional — an act of recognizing or the state of being recognized.
- 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
- recompilation — the act of compiling: the compilation of documents.
- recomputation — an act, process, or method of computing; calculation.
- reconsolidate — to bring together (separate parts) into a single or unified whole; unite; combine: They consolidated their three companies.
- recontaminate — to contaminate (an area, person, hands, etc) again
- recreationist — a person who advocates that national parks, seashores, lakes, etc., be preserved in their natural state for recreation, farming, or scientific study.
- recrimination — the act of recriminating, or countercharging: Hope gave way to recrimination with both sides claiming the moral high ground.