19-letter words containing a, i, r, t, n, s
- operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency.
- orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- oscillating circuit — a circuit producing electrical oscillations.
- over-sentimentality — the quality or state of being sentimental or excessively sentimental.
- paleoanthropologist — the study of the origins and predecessors of the present human species, using fossils and other remains.
- pancreatic fibrosis — cystic fibrosis.
- parachute spinnaker — a very large spinnaker used on a racing yacht.
- particle kinematics — Particle kinematics is the study of the movement of particles, without considering the forces that cause this movement.
- particle separation — a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
- particular solution — a solution of a differential equation containing no arbitrary constants.
- parting of the ways — When there is a parting of the ways, two or more people or groups of people stop working together or travelling together.
- pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
- pedestrian crossing — place to cross road
- pedestrian precinct — A pedestrian precinct is a street or part of a town where vehicles are not allowed.
- periodontal disease — any of various mixed bacterial infections that affect the soft tissues and bones supporting the teeth.
- peritoneal dialysis — a form of dialysis in which the peritoneum is used as an autogenous semipermeable membrane
- persian gulf states — group of Arab sheikdoms along the Persian Gulf: Kuwait, Bahrain, Qatar, & United Arab Emirates
- personal stationery — headed notepaper
- photodisintegration — the disintegration of a nucleus, induced by its absorption of a photon.
- photoreconnaissance — reconnaissance using aerial photography.
- physical impairment — A physical impairment is a condition in which a part of a person's body is damaged or is not working properly.
- piece de resistance — the principal dish of a meal.
- pirates of penzance — an operetta (1879) by Sir William S. Gilbert and Sir Arthur Sullivan.
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- pneumogastric nerve — the vagus nerve.
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- popular sovereignty — the doctrine that sovereign power is vested in the people and that those chosen to govern, as trustees of such power, must exercise it in conformity with the general will.
- population pressure — the force exerted by a growing population upon its environment, resulting in dispersal or reduction of the population.
- port jackson willow — an Australian acacia tree, Acacia cyanophylla, introduced in the 19th century into South Africa, where it is now regarded as a pest
- portuguese-speaking — being a speaker of Portuguese; having Portuguese as the national language
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- postsynchronization — the process of adding sound, such as dubbing, to a film or video after shooting or videotaping is completed
- posttranscriptional — Genetics, Biochemistry. occurring after the formation of RNA from DNA but before the RNA strand leaves the nucleus.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- prairie rattlesnake — a rattlesnake, Crotalus viridis viridis, of the prairies of western North America.
- prescription charge — a charge, set by the government, to be paid by a patient for medicines
- presentation skills — the set of techniques and skills required successfully to present oral information to others
- presumption of fact — a presumption based on experience or knowledge of the relationship between a known fact and a fact inferred from it.
- prime interest rate — prime rate.
- private prosecution — a prosecution started by a private individual rather than by the police
- privatization issue — an issue of shares available for purchase by members of the public when a publicly owned organization is transferred to the private sector
- professionalization — to give a professional character or status to; make into or establish as a profession.
- propositional logic — (logic) (or "propositional calculus") A system of symbolic logic using symbols to stand for whole propositions and logical connectives. Propositional logic only considers whether a proposition is true or false. In contrast to predicate logic, it does not consider the internal structure of propositions.
- protease inhibitors — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- pseudo-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
- pseudo-experimental — pertaining to, derived from, or founded on experiment: an experimental science.
- pseudo-intransitive — denoting an occurrence of a normally transitive verb in which a direct object is not explicitly stated or forms the subject of the sentence, as in Margaret is cooking or these apples cook well
- public-interest law — a branch of law that often utilizes class-action suits to protect the interest of a large group or of the public at large, as in matters relating to racial discrimination, air pollution, etc.
- put a figure on sth — When you put a figure on an amount, you say exactly how much it is.
- pyrenees-orientales — a department in S France. 1600 sq. mi. (4145 sq. km). Capital: Perpignan.