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20-letter words containing p, e, r, o

  • harmonic progression — a series of numbers the reciprocals of which are in arithmetic progression.
  • hate a person's guts — to dislike a person very strongly
  • heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
  • helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
  • heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
  • hieroglyphic hittite — an extinct language of the Anatolian branch of Indo-European, written in a pictographic script in Syria c1200–c600 b.c.: the same language as written in cuneiform in Anatolia is known as Luwian.
  • holy water sprinkler — morning star (def 2).
  • horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
  • houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
  • how are you keeping? — how are you?
  • human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
  • 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.
  • hyperadrenocorticism — Cushing's syndrome.
  • hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
  • hypercholesterolemia — the presence of an excessive amount of cholesterol in the blood.
  • hypercholesterolemic — (pathology) Of, pertaining to, or having hypercholesterolemia.
  • 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.
  • hypodermic injection — the injection of a medicine or drug under the skin
  • 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
  • imperfect contrition — sincere penitence or remorse.
  • 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 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.
  • income tax inspector — a person whose job is to assess individuals' income tax liability
  • incomprehensibleness — The state of being incomprehensible.
  • incorporated company — a legally constituted company
  • indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
  • industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing 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
  • insolvency provision — the right of employees of a firm that goes bankrupt or into receivership to receive money owed to them as wages, etc
  • 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.
  • integration by parts — Mathematics. a method of evaluating an integral by use of the formula, ∫udv = uv − ∫vdu.
  • internal respiration — the exchange of oxygen and carbon dioxide between the blood or lymph and the body cells
  • interpersonal skills — skills that contribute to dealing successfully with other people
  • interpersonal theory — the theory that personality development and behavior disorders are related to and determined by relationships between persons.
  • investment portfolio — the whole range of financial investments held by an individual investor or a financial organization
  • isometric projection — a type of axonometric projection in which the object is shown with its three principal axes all equally tilted from the plane of viewing, with two of them usually tilted 30 degrees upward from the horizontal
  • j robert oppenheimer — J(ulius) Robert, 1904–67, U.S. nuclear physicist.
  • 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 pagoda tree — pagoda tree.
  • jasper national park — a national park in the Canadian Rockies in W Alberta, in SW Canada.
  • joseph of arimathaea — a member of the Sanhedrin who placed the body of Jesus in the tomb. Matt. 27:57–60; Mark 15:43.
  • judicial proceedings — any action involving or carried out by a court of law
  • keep a tight rein on — to control carefully; limit
  • 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.
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