18-letter words containing a, r, o, m, t, s
- pathname separator — (file system) The character used to separate elements of a path or pathname. Under Unix and POSIX.1 compliant systems the pathname separator is the (forward) slash, in MS-DOS backslash serves the same purpose. For obvious reasons the no directory or file name can contain this character.
- performance artist — an artist that is involved in a theatrical presentation that incorporates various art forms, such as dance, sculpture, music, etc
- personal exemption — Your personal exemption is the amount of money that is deducted from your gross income before you have to start paying income tax.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- photoisomerization — isomerization induced by light.
- postmaster general — the executive head of the postal system of a country.
- postmillenarianism — postmillennialism.
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- potassium chlorate — a white or colorless, crystalline, water-soluble, poisonous solid, KClO 3 , used chiefly as an oxidizing agent in the manufacture of explosives, fireworks, matches, bleaches, and disinfectants.
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
- potassium myronate — sinigrin.
- pragmatic sanction — any one of various imperial decrees with the effect of fundamental law.
- presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- programme of study — the prescribed syllabus that pupils must be taught at each key stage in the National Curriculum
- provision merchant — a person or company in the business of retailing food and other provisions
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- raman spectroscopy — a form of spectroscopy which uses the Raman effect for studying molecules
- recess appointment — a person appointed to an office by the President of the United States without approval from the Senate because the Senate is in recess
- registered company — a company which has officially registered its business
- remains to be seen — If you say that it remains to be seen whether something will happen, you mean that nobody knows whether it will happen.
- respiratory system — the system by which oxygen is taken into the body and an exchange of oxygen and carbon dioxide takes place; in mammals the system includes the nasal passages, pharynx, trachea, bronchi, and lungs.
- restoration comedy — English comedy of the period of the Restoration, stressing manners and social satire.
- resuscitation room — an intensive care unit
- retrograde amnesia — a memory disorder characterized by an inability to remember events or experiences that occurred before a significant point in time.
- sao joao de meriti — a city in SE Brazil, NW of Rio de Janeiro.
- saturation bombing — intense area bombing intended to destroy everything in the target area.
- seasonal promotion — Seasonal promotions are items marketed to customers at the appropriate time of year, such as coats in the winter and bathing suits in the summer.
- second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc
- self-determination — determination by oneself or itself, without outside influence.
- self-incrimination — the act of incriminating oneself or exposing oneself to prosecution, especially by giving evidence or testimony.
- self-mortification — the inflicting of pain or privation on oneself: He was certain that self-mortification was the only road to salvation.
- self-recrimination — the act of recriminating, or countercharging: Hope gave way to recrimination with both sides claiming the moral high ground.
- senior aircraftman — a rank in the Royal Air Force comparable to that of a private in the army, though not the lowest rank in the Royal Air Force
- september holidays — a period of time in September when people do not have to go to school, college or work
- sex discrimination — the practice of treating male and female people unequally
- simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- slow-motion replay — a showing again in slow motion of a sequence of action, esp of part of a sporting contest immediately after it happens
- small claims court — a special court established to handle small claims or debts, usually without the services of lawyers.
- small pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- small-claims court — a special court established to handle small claims or debts, usually without the services of lawyers.
- social environment — the environment developed by humans as contrasted with the natural environment; society as a whole, especially in its relation to the individual.
- societal marketing — marketing that takes into account society's long-term welfare
- sodium bicarbonate — a white, crystalline, water-soluble solid, in powder or granules, NaHCO 3 , usually prepared by the reaction of soda ash with carbon dioxide or obtained from the intermediate product of the Solvay process by purification: used chiefly in the manufacture of sodium salts, baking powder, and beverages, as a laboratory reagent, as a fire extinguisher, and in medicine as an antacid.
- sodium tetraborate — borax1 .
- solomon rabinowitz — Solomon, Aleichem, Sholom.
- something to spare — a surplus of something