20-letter words containing p, a, y, n
- horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
- hospitality industry — the hotel and accommodation industry
- how are you keeping? — how are you?
- hudson's bay company — a company chartered in England in 1670 to carry on fur trading with the Indians in North America.
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- hyperadrenocorticism — Cushing's syndrome.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.
- hyperlipoproteinemia — Pathology. any of various disorders of lipoprotein metabolism, usually characterized by abnormally high levels of cholesterol and certain lipoproteins in the blood.
- in (or out of) play — in (or not in) the condition for continuing play
- in any shape or form — If you say, for example, that you will not accept something in any shape or form, or in any way, shape or form, you are emphasizing that you will not accept it in any circumstances.
- in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
- incorporated company — a legally constituted company
- infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- integration by parts — Mathematics. a method of evaluating an integral by use of the formula, ∫udv = uv − ∫vdu.
- interpersonal theory — the theory that personality development and behavior disorders are related to and determined by relationships between persons.
- interplanetary space — the region of space occurring around the sun and planets of the solar system. The density is normally negligible although cosmic rays, meteorites, gas clouds, etc, can occur
- japanese honeysuckle — a climbing honeysuckle, Lonicera japonica, introduced into the eastern U.S. from Asia, having fragrant, white flowers that fade to yellow.
- juno and the paycock — a play (1924) by Sean O'Casey.
- laboratory equipment — apparatus for scientific research and experiments
- linguistic geography — dialect geography.
- llanfairpwllgwyngyll — a village in NW Wales, in SE Anglesey: reputed to be the longest place name in Great Britain when unabbreviated; means: St Mary's Church in the hollow of the white hazel near the rapid whirlpool of Llandysilio of the red cave
- llywelyn ap gruffudd — died 1282, prince of Wales (1258–82): the only Welsh ruler to be recognized as such by the English
- llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales
- lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
- marginal probability — (in a multivariate distribution) the probability of one variable taking a specific value irrespective of the values of the others
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- missionary apostolic — an honorary title conferred by the pope on certain missionaries.
- multipart stationery — continuous stationery comprising two or more sheets, either carbonless or with carbon paper between the sheets
- multiple personality — a rare disorder in which an individual displays several functionally dissociated personalities, each of a complexity comparable to that of a normal individual.
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- network transparency — (networking) A feature of an operating system or other service which lets the user access a remote resource through a network without having to know if the resource is remote or local. For example NFS allow users to access remote files as if they were local files.
- neurophysiologically — In terms of, or with regard to, neurophysiology.
- neuropsychiatrically — In terms of neuropsychiatry.
- neuropsychologically — In terms of or by means of neuropsychology.
- new democratic party — the Canadian social democratic party formed in 1961
- nine plus zero array — the arrangement of microtubules characteristic of basal bodies and centrioles, consisting of nine evenly spaced triplets between the outer and inner walls of the structure and having no central microtubules. Symbol: 9 + 0.
- nondirective therapy — client-centered therapy.
- occupational therapy — a form of therapy in which patients are encouraged to engage in vocational tasks or expressive activities, as art or dance, usually in a social setting.
- operational strategy — a plan or set of plans for successfully running a business, etc
- ophthalmodynamometer — a device for determining the nearest point of ocular convergence.
- pan-american highway — a road system proposed in the 1920s linking nations of the Western Hemisphere, extending from Alaska to Santiago, Chile, with some gaps remaining in Panama and Colombia. The section between Nuevo Laredo, Mexico and Panama City is known as the Inter-American Highway Total length about 16,000 miles (25,744 km).
- parkinson's syndrome — a complex of symptoms indistinguishable from Parkinson's disease, commonly affecting boxers or sometimes occurring as a result of substance abuse or an encephalitic infection.
- pay through the nose — the part of the face or facial region in humans and certain animals that contains the nostrils and the organs of smell and functions as the usual passageway for air in respiration: in humans it is a prominence in the center of the face formed of bone and cartilage, serving also to modify or modulate the voice.
- peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
- peroxyacetyl nitrate — an unstable nitrogen compound, found in certain types of smog, that is an irritant, esp. to the eyes and to plants
- personality disorder — any of a group of mental disorders characterized by deeply ingrained maladaptive patterns of behavior and personality style, which are usually recognizable as early as adolescence and are often lifelong in duration.
- phenyldiethanolamine — a white, crystalline, slightly water-soluble substance, C 1 0 H 1 5 NO 2 , used in the manufacture of dyes and in organic synthesis.
- phenylpropyl acetate — a colorless, water-insoluble liquid, C 1 0 H 1 2 O 2 , used chiefly in perfumery.