20-letter words containing r, a, p, h, n
- happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
- hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
- 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
- hazard warning lamps — Hazard warning lamps are flashing lamps on each corner of a vehicle that are used to show the position of the vehicle if there has been a breakdown or an accident.
- 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.
- high-energy particle — Physics
- holy water sprinkler — morning star (def 2).
- horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
- hospitality industry — the hotel and accommodation industry
- 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.
- human papillomavirus — any of a group of papillomaviruses causing cutaneous warts and lesions of the oral, anal, and genital mucous membranes in human beings
- human parvovirus b19 — Pathology. a mild infection, most often seen in children or young adults, caused by a small virus ((the human parvovirus B19)) and marked by a blotchy rash on the cheeks, arms, and legs.
- 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 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.
- indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- 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.
- interpersonal theory — the theory that personality development and behavior disorders are related to and determined by relationships between persons.
- keep a tight rein on — to control carefully; limit
- king charles spaniel — a variety of the English toy spaniel having a black-and-tan coat.
- knights hospitallers — a military religious order founded about the time of the first crusade (1096–99) among European crusaders. It took its name from a hospital and hostel in Jerusalem
- lavaliere microphone — a small microphone that hangs around the neck of a performer or speaker.
- learned helplessness — the act of giving up trying as a result of consistent failure to be rewarded in life, thought to be a symptom of depression
- 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.
- linguistic geography — dialect geography.
- llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales
- lump in one's throat — the passage from the mouth to the stomach or to the lungs, including the pharynx, esophagus, larynx, and trachea.
- lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
- magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
- 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.
- matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
- multiple inheritance — (programming) In object-oriented programming, the possibility that a class may have more than one direct superclass in the class hierarchy. The opposite is single inheritance.
- 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.
- nephroangiosclerosis — (pathology) sclerosis of the renal arterioles.
- neurophysiologically — In terms of, or with regard to, neurophysiology.
- neuropsychiatrically — In terms of neuropsychiatry.
- neuropsychologically — In terms of or by means of neuropsychology.
- nondirective therapy — client-centered therapy.
- north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
- north celestial pole — the point of intersection of the earth's extended axis and the northern half of the celestial sphere, lying about 1° from Polaris
- north temperate zone — the part of the earth's surface between the tropic of Cancer and the Arctic Circle.