21-letter words containing a, p, r, e, h, n
- a rap on the knuckles — If someone in authority gives you a rap on the knuckles, they criticize you or blame you for doing something they think is wrong.
- absorption hygrometer — a hygrometer that uses a hygroscopic chemical to absorb atmospheric moisture.
- alexander archipelago — a group of over 1000 islands along the coast of SE Alaska
- algorithm description — (language) (ALDES) ["The Algorithm Description Language ALDES", R.G.K. Loos, SIGSAM Bull 14(1):15-39 (Jan 1976)].
- alpha centauri system — a star system comprising the binary star Alpha Centauri A and B and Proxima Centauri (also called Alpha Centauri C), which is 0.1 light years closer to the sun. Visual magnitude: 0.01 (A), 1.33 (B); spectral type: G2V (A); distance from earth: 4.3 light years
- antarctic archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- antihemophilic factor — a protein that is essential to normal blood clotting and is lacking or deficient in persons having hemophilia A. Abbreviation: AHF.
- archimedes' principle — a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced fluid
- architecture parlante — the architecture of buildings that, in their plans or elevations, create an image that suggests their functions.
- atmospheric inversion — inversion (def 12).
- atmospheric-inversion — an act or instance of inverting.
- beta-naphthyl radical — Also called alpha-naphthyl group, alpha-naphthyl radical. the univalent group C 1 0 H 7 –, having a replaceable hydrogen atom in the first, or alpha, position; 1-naphthyl group.
- bluethroat pikeblenny — See under pikeblenny.
- bonnie prince charlie — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.
- carrie chapman l catt — Carrie Chapman Lane, 1859–1947, U.S. leader in women's suffrage movements.
- cause-effect graphing — (programming) A testing technique that aids in selecting, in a systematic way, a high-yield set of test cases that logically relates causes to effects to produce test cases. It has a beneficial side effect in pointing out incompleteness and ambiguities in specifications.
- character development — the portrayal of people in a work of fiction in such a way that the reader or audience seems to learn more about them as they develop
- cheese and wine party — a party at which cheese and wine are served
- chinese lantern plant — winter cherry (def 1).
- chinese-lantern plant — a perennial ground-cherry (Physalis alkekengi) grown for winter bouquets because of the bladderlike red calyx that surrounds its small, tomatolike fruit
- completing the square — a method, usually of solving quadratic equations, by which a quadratic expression, as x 2 − 4 x + 3, is written as the sum or difference of a perfect square and a constant, x 2 − 4 x + 4 + 3 − 4 = (x − 2) 2 − 1, by addition and subtraction of appropriate constant terms.
- dead from the neck up — stupid or unintelligent
- decompression chamber — a chamber in which the pressure of air can be varied slowly for returning people from abnormal pressures to atmospheric pressure without inducing decompression sickness
- double spanish burton — a tackle having one standing block and two running blocks, giving a mechanical advantage of five, neglecting friction.
- drop the handkerchief — a children's game in which all the players but one stand in a circle facing inward, while that one player stealthily drops a handkerchief behind a player in the circle who must pursue and attempt to catch the one who dropped the handkerchief before the latter reaches the vacated place.
- earthmoving equipment — machines, such as bulldozers, that are used for excavating and moving large quantities of earth
- electroencephalograms — Plural form of electroencephalogram.
- electroencephalograph — A machine used for electroencephalography.
- electronystagmography — A diagnostic test to record involuntary movements of the eye caused by a condition known as nystagmus. It can also be used to diagnose the cause of vertigo, dizziness or balance dysfunction by testing the vestibular system.
- equiangular hyperbola — a hyperbola with transverse and conjugate axes equal to each other.
- ethernet private line — (networking) (EPL) A data service defined by the Metro Ethernet Forum, providing a point-to-point Ethernet connection between a pair of dedicated User-Network Interfaces (UNIs), with a high degree of transparency.
- forensic anthropology — the branch of physical anthropology in which anthropological data, criteria, and techniques are used to determine the sex, age, genetic population, or parentage of skeletal or biological materials in questions of civil or criminal law.
- french fried potatoes — a more formal name for chips
- frequent wash shampoo — a shampoo whose mildness allows it to be used frequently
- gastrohepatic omentum — lesser omentum.
- hawaiian honeycreeper — any small to medium-sized finches of the subfamily Drepanidinae, native to the Hawaiian Islands and including many rare and extinct species.
- hay-pauncefote treaty — an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
- heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- help a person on with — to assist a person in the putting on of (clothes)
- home improvement loan — a government loan for house improvements such as insulation, adding a bathroom, or urgent repairs
- hyperlipoproteinaemia — the condition of having an abnormally high level of lipoproteins in the blood
- hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
- in (or out of) phase — in (or not in) a state of exactly parallel movements, oscillations, etc.; in (or not in) synchronization
- indicated horse-power — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- interpersonal therapy — a type of psychotherapy that focuses on conflicts in one's personal relationships.
- irish republican army — an underground Irish nationalist organization founded to work for Irish independence from Great Britain: declared illegal by the Irish government in 1936, but continues activity aimed at the unification of the Republic of Ireland and Northern Ireland. Abbreviation: IRA, I.R.A.
- japanese stranglehold — a wrestling hold in which an opponent's wrists are pulled to cross his or her arms in front of his or her own neck and exert pressure on the windpipe
- joseph bonaparte gulf — an inlet of the Timor Sea in N Australia. Width: 360 km (225 miles)
- keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
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