20-letter words containing p, u

hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
hypophosphorous acid — a colorless or yellowish, water-soluble, liquid, monobasic acid, H 3 PO 2 , having a sour odor, and used as a reducing agent.
ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
ignotum per ignotius — an explanation that is obscurer than the thing to be explained
imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.
in (or out of) play — in (or not in) the condition for continuing play
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.
in the public domain — able to be discussed and examined freely by the general public
industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
inertial upper stage — a U.S. two-stage, solid-propellant rocket used to boost a relatively heavy spacecraft from a low earth orbit into a planetary trajectory or an elliptical transfer orbit. Abbreviation: IUS.
infectious hepatitis — hepatitis A.
inland revenue stamp — a certificate issued by the Inland Revenue to acknowledge payment of tax
instruction prefetch — (architecture) A technique which attempts to minimise the time a processor spends waiting for instructions to be fetched from memory. Instructions following the one currently being executed are loaded into a prefetch queue when the processor's external bus is otherwise idle. If the processor executes a branch instruction or receives an interrupt then the queue must be flushed and reloaded from the new address. Instruction prefetch is often combined with pipelining in an attempt to keep the pipeline busy. By 1995 most processors used prefetching, e.g. Motorola 680x0, Intel 80x86.
insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
jacopo della quercia — Jacopo Della [yah-kaw-paw del-lah] /ˈyɑ kɔ pɔ ˌdɛl lɑ/ (Show IPA), 1374?–1438, Italian sculptor.
james prescott joule — James Prescott, 1818–89, English physicist.
japanese honeysuckle — a climbing honeysuckle, Lonicera japonica, introduced into the eastern U.S. from Asia, having fragrant, white flowers that fade to yellow.
join-the-dots puzzle — a puzzle requiring you to connect a series of dots by drawing lines between them. If the dots are correctly connected, the result is a picture
judicial proceedings — any action involving or carried out by a court of law
juno and the paycock — a play (1924) by Sean O'Casey.
justice of the peace — a local public officer, usually having jurisdiction to try and determine minor civil and criminal cases and to hold preliminary examinations of persons accused of more serious crimes, and having authority to administer oaths, solemnize marriages, etc.
keep one's pecker up — If you tell someone to keep their pecker up, you are encouraging them to be cheerful in a difficult situation.
keep your mouth shut — If you keep your mouth shut about something, you do not talk about it, especially because it is a secret.
kingston upon thames — a borough of Greater London, England.
knockout competition — used to describe a competition in which competitors are eliminated progressively
kruger national park — a wildlife sanctuary in NE South Africa: the world's largest game reserve. Area: over 21 700 sq km (8400 sq miles)
laboratory equipment — apparatus for scientific research and experiments
lampbrush chromosome — a chromosome with looped projections resembling a brush
language development — the development verbal communication skills in children
law of superposition — Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
light the touchpaper — to do something that will cause much anger or excitement
lighthouse coffeepot — a coffeepot of the late 17th and 18th centuries, having a tapering, circular body with a domed lid.
like death warmed up — very ill
linguistic geography — dialect geography.
liquidity preference — (in Keynesian economics) the degree of individual preference for cash over less liquid assets.
llywelyn ap gruffudd — died 1282, prince of Wales (1258–82): the only Welsh ruler to be recognized as such by the English
look before you leap — be aware of the risks involved in sth
lump in one's throat — the passage from the mouth to the stomach or to the lungs, including the pharynx, esophagus, larynx, and trachea.
lunisolar precession — the principal component of the precession of the equinoxes, produced by the gravitational attraction of the sun and the moon on the equatorial bulge of the earth.
lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
magdeburg hemisphere — one of a pair of hemispherical cups from which air can be evacuated when they are placed together: used to demonstrate the force of air pressure.
malpighian corpuscle — Also called kidney corpuscle, Malpighian body. the structure at the beginning of a vertebrate nephron, consisting of a glomerulus and its surrounding Bowman's capsule.
meissner's corpuscle — tactile corpuscle.
member of the public — a member of the general population
mexican jumping bean — jumping bean.
mickey mouse program — (jargon) The North American equivalent of a "noddy program", i.e. trivial. The term doesn't necessarily have the belittling connotations of mainstream slang "Oh, that's just mickey mouse stuff!"; sometimes trivial programs can be very useful.
military superiority — the power, strength, or numbers of armed forces of a country viewed as an advantage over another country
mopping-up operation — an operation after a battle or campaign to root out remaining enemy forces or installations

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