13-letter words containing n, a, i, p
- prussian blue — any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
- psilanthropic — relating to psilanthropism
- psychasthenia — Psychiatry. (no longer in technical use) a neurosis marked by fear, anxiety, phobias, etc.
- psychasthenic — a person who has psychasthenia
- 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.
- pucciniaceous — (of a fungus) belonging to the genus Puccinia
- pudding basin — A pudding basin is a deep round bowl that is used in the kitchen, especially for mixing or for cooking puddings.
- pulse dialing — a system of calling telephone numbers wherein electrical pulses corresponding to the digits in the number called are generated by manipulating a rotary dial or push buttons (contrasted with tone dialing).
- pulverization — to reduce to dust or powder, as by pounding or grinding.
- pumpkinheaded — a slow or dim-witted person; dunce.
- punctuational — punctuated equilibrium.
- puritan ethic — work ethic.
- puritan spoon — a silver spoon having an ovoid bowl and a straight, flat, completely plain stem.
- purple martin — a large American swallow, Progne subis, the male of which is blue-black.
- pursuit plane — (formerly) an armed airplane designed for speed and maneuverability in fighting enemy aircraft.
- pusillanimity — the state or condition of being pusillanimous; timidity; cowardliness.
- pusillanimous — lacking courage or resolution; cowardly; faint-hearted; timid.
- pyrimethamine — a potent substance, C 1 2 H 1 3 ClN 4 , used against susceptible plasmodia in the prophylactic treatment of malaria and against Toxoplasma gondi in the treatment of toxoplasmosis.
- pyrotechnical — of or relating to pyrotechnics.
- pythian games — (in ancient Greece) the second most important Panhellenic festival, celebrated in the third year of each Olympiad near Delphi. The four-year period between celebrations was known as a Pythiad (ˈpɪθɪˌæd )
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- quaking aspen — any of various poplars, as Populus tremula, of Europe, and P. tremuloides (quaking aspen) or P. alba (white aspen) of America, having soft wood and alternate ovate leaves that tremble in the slightest breeze.
- quality point — Education. grade point.
- quarter point — the fourth part of the distance between any two adjacent points of the 32 marked on a compass, being 2° 48′ 45″.
- quintuplicate — a group, series, or set of five copies or identical items, especially copies of typewritten matter.
- quota-hopping — (in the EU) the practice of obtaining the right to catch a part of a country's national quota for fish in European waters by buying licences from its fishermen
- racing pigeon — a pigeon bred and trained for the sport of pigeon racing
- raiding party — a group of people who together carry out a raid
- raising plate — wall plate (def 1).
- ramapithecine — of or relating to an extinct hominoid of the genus Ramapithecus
- rapid transit — a system of public transportation in a metropolitan area, usually a subway or elevated train system.
- ration coupon — a coupon that can be exchanged for a certain quantity of rationed goods
- re-absorption — resorption (def 2).
- reading group — a group of people who meet regularly to discuss a book that they have all read
- reading speed — the rate at which something is read, often expressed in terms of words per minute. Reading speed is usually determined by the purpose of reading (for comprehension, learning, memorization, etc)
- reagent strip — A reagent strip is a thin piece of paper impregnated with a reagent (= a substance that causes a chemical reaction) to a specific substance, used in testing for that substance in a body of fluid.
- reapplication — an act or the process of reapplying a substance
- reappointment — a fixed mutual agreement for a meeting; engagement: We made an appointment to meet again.
- reciprocating — to give, feel, etc., in return.
- reciprocation — an act or instance of reciprocating.
- recompilation — the act of compiling: the compilation of documents.
- recomputation — an act, process, or method of computing; calculation.
- reduplication — the act of reduplicating; the state of being reduplicated.
- referred pain — pain felt in an area remote from the site of origin.
- regulator pin — either of two pins on the regulators of certain timepieces, one on each side of the hairspring, that can be moved to adjust the rate of the timepiece.
- reincorporate — to incorporate again
- release print — Movies. print (def 31).
- repetitionary — of the nature of repetition, repetitious