22-letter words containing p, y, r, o
- oak processionary moth — a moth, (Thaumetopoea processionea), of the family Thaumetopoeidae, the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- on a wing and a prayer — with only the slightest hope of succeeding
- out-of-body experience — a vivid feeling of being detached from one's body, usually involving observing it and its environment from nearby
- paracoccidioidomycosis — a chronic infection caused by the fungus Paracoccidioides brasiliensis, occurring in Mexico and in Central and South America, characterized by mouth and throat ulcers, weight loss, and lesions on the skin, intestines, and genitals.
- parliamentary election — an election to select the members of a national parliament
- paroxysmal tachycardia — tachycardia that begins and subsides suddenly.
- pay dearly/cost dearly — If you pay dearly for doing something or if it costs you dearly, you suffer a lot as a result.
- physiographic province — a geographic region in which climate and geology have given rise to an array of landforms different from those of surrounding regions.
- picture of dorian gray — a novel (1891) by Oscar Wilde.
- planetary transmission — A planetary transmission is a special form of geared drive in which the input and output shafts are on the same axis.
- play one's cards right — a usually rectangular piece of stiff paper, thin pasteboard, or plastic for various uses, as to write information on or printed as a means of identifying the holder: a 3″ × 5″ file card; a membership card.
- polymyalgia rheumatica — a chronic inflammatory disease, common among older persons, characterized by recurrent episodes of muscle pain and stiffness, sometimes leading to cardiovascular complications or blindness.
- potassium ferricyanide — a bright-red, crystalline, water-soluble, poisonous solid, K 3 Fe(CN) 6 , used chiefly in the manufacture of pigments, as Prussian blue, and of paper, especially blueprint paper.
- potassium ferrocyanide — a lemon-yellow, crystalline, water-soluble solid, K 4 Fe(CN) 6 ⋅3H 2 O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.
- preestablished harmony — (in the philosophy of Leibnitz) synchronous operation of all monads, since their simultaneous creation, in accordance with the preexisting plan of God.
- private-equity company — an organization that uses private equity to gain control of and manage companies
- probationary assistant — a teacher in the first probationary years
- process cinematography — cinematography in which the main or foreground action or scene is superimposed on or combined with simulated or separately filmed background action or scenery to produce special visual effects.
- productivity agreement — an agreement whereby the employees of an organization agree to changes which are intended to improve productivity in return for an increase in pay or other benefits
- prothonotary apostolic — a member of the first college of prelates of the Roman Curia.
- psychological thriller — book, movie: suspense story
- pulmonary tuberculosis — tuberculosis of the lungs.
- pyridostigmine bromide — a cholinesterase inhibitor, C 9 H 1 3 BrN 2 O 2 , used in its bromide form in the treatment of myasthenia gravis.
- rapid deployment force — a U.S. military organization consisting of one Marine division and four Army divisions, established in 1979 to respond quickly to any distant threat to national interests.
- rheumatoid spondylitis — ankylosing spondylitis.
- rocky mountain juniper — a juniper, Juniperus scopulorum, of western North America, that yields a soft, reddish wood used for making fences, pencils, etc., and that is also grown as an ornamental.
- sapir-whorf hypothesis — a theory developed by Edward Sapir and Benjamin Lee Whorf that states that the structure of a language determines or greatly influences the modes of thought and behavior characteristic of the culture in which it is spoken.
- satisfiability problem — A problem used as an example in complexity theory. It can be stated thus: Given a Boolean expression E, decide if there is some assignment to the variables in E such that E is true. A Boolean expression is composed of Boolean variables, (logical) negation (NOT), (logical) conjunction (AND) and parentheses for grouping. The satisfiability problem was the first problem to be proved to be NP-complete (by Cook).
- schachter's hypothesis — (web) The observation that "Given two unrelated technical terms, an Internet search engine will retrieve only résumés". This was first formulated by Joshua Eli Schachter in about 1998, while poring over the uniformly irrelevant pages that resulted from a search he'd run on "+Perl +MAPI" in Altavista.
- secondary spermatocyte — See under spermatocyte.
- speckle interferometry — a photographic technique for clarifying the telescopic images of a star by taking short exposures of the electronic images of the star's speckle pattern and extrapolating properties of the starlight to create a more accurate composite image.
- spectrophotometrically — an instrument for making photometric comparisons between parts of spectra.
- spectroscopic analysis — the use of spectroscopy in determining the chemical or physical constitution of substances
- spherical trigonometry — the branch of trigonometry that deals with spherical triangles.
- spinal accessory nerve — accessory nerve.
- stereospecific polymer — an organic polymer in which the steric arrangements of groups on asymmetric carbon atoms occur in a regular sequence
- subjective probability — a measure or estimate of the degree of confidence one may have in the occurrence of an event, defined by subjective criteria
- subornation of perjury — the offense of bribing or otherwise persuading another to commit perjury.
- supplementary question — a question asked in Parliament by an MP during Questions to the Prime Minister
- temporal lobe epilepsy — a type of seizure disorder produced by abnormal electric discharges in the temporal lobe of the brain, characterized by the occurrence of any of a variety of auras followed by a brief loss of consciousness with accompanying repetitive, automatic movements.
- temporal-lobe epilepsy — a type of seizure disorder produced by abnormal electric discharges in the temporal lobe of the brain, characterized by the occurrence of any of a variety of auras followed by a brief loss of consciousness with accompanying repetitive, automatic movements.
- temporary life annuity — an annuity that ceases upon the death of the annuitant or upon the expiration of a period of time, whichever occurs first.
- time-lapse photography — the photographing on motion-picture film of a slow and continuous process, as the growth of a plant, at regular intervals, especially by exposing a single frame at a time, for projection at a higher speed.
- to keep your eyes open — If you keep your eyes open or keep an eye out for someone or something, you watch for them carefully.
- to overplay one's hand — If someone overplays their hand, they act more confidently than they should because they believe that they are in a stronger position than they actually are.
- to play to the gallery — If you play to the gallery, you do something in public in a way which you hope will impress people.
- torpedo-boat destroyer — a vessel somewhat larger than the ordinary torpedo boat, designed for destroying torpedo boats or as a more powerful form of torpedo boat.
- transition probability — the probability of going from a given state to the next state in a Markov process.
- unemployment insurance — a government program that provides a limited number of payments to eligible workers who are involuntarily unemployed.
- united empire loyalist — any of the American colonists who settled in Canada during or after the War of American Independence because of loyalty to the British Crown