21-letter words containing p, e, a, r, l, 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.
- 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)].
- alliance for progress — a program of foreign aid presented by President Kennedy to help solve the economic and social problems of Latin America.
- 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
- angle of polarization — the law that light will receive maximum polarization from a reflecting surface when it is incident to the surface at an angle (angle of polarization or polarizing angle) having a tangent equal to the index of refraction of the surface.
- antarctic archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- antenuptial agreement — Law. a contract between two people who are about to marry regarding their respective property and support rights upon termination of the marriage by divorce or death, and sometimes regarding property rights during the marriage.
- antihemophilic factor — a protein that is essential to normal blood clotting and is lacking or deficient in persons having hemophilia A. Abbreviation: AHF.
- appellation controlee — a designation on the label of certain French wines, brandies, etc. guaranteeing that the contents meet established standards, as type of grape and location of vineyard
- appendicular skeleton — the girdles and skeleton of the limbs
- application developer — (job) Someone who does application development.
- applications software — application program
- 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.
- be in apple-pie order — If a room or a desk is in apple pie order, it is neat and tidy, and everything is where it should be.
- 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.
- brazilian pepper tree — a small Brazilian evergreen tree or shrub, Schinus terebinthifolius, of the cashew family, having inconspicuous white flowers and bright red fruit: the berries are used for Christmas decorations.
- bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
- carrie chapman l catt — Carrie Chapman Lane, 1859–1947, U.S. leader in women's suffrage movements.
- central european time — the standard time adopted by Western European countries one hour ahead of Greenwich Mean Time, corresponding to British Summer Time
- 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
- 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
- college of propaganda — information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation, etc.
- combination principle — Ritz combination principle.
- committal proceedings — a preliminary hearing in a magistrates' court to decide if there is a case to answer
- 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.
- conditional operation — a step in a computer program that determines which of two or more instructions or instruction sequences to execute next, depending on whether or not one or more specified conditions have been met.
- conspiracy of silence — If there is a conspiracy of silence about something, people who know about it have agreed that they will not talk publicly about it, although it would probably be a good thing if people in general knew about it.
- court of common pleas — (formerly) a superior court exercising jurisdiction in civil actions between private citizens
- deep scattering layer — any of the stratified zones in the ocean which reflect sound during echo sounding, usually composed of marine organisms which migrate vertically from c. 250 to 800 m (c. 820 to 2,625 ft)
- deprovincialization's — to make provincial in character.
- differential operator — a function, usually expressed as a polynomial, that indicates linear combinations of the derivatives of the expression on which it operates.
- differential topology — the branch of topology that studies the properties of differentiable manifolds that remain invariant under diffeomorphisms.
- display advertisement — an advertisement designed to attract attention by using devices such as conspicuous or elegant typefaces, graphics, etc
- double predestination — the doctrine that God has foreordained both those who will be saved and those who will be damned.
- double spanish burton — a tackle having one standing block and two running blocks, giving a mechanical advantage of five, neglecting friction.
- drop in someone's lap — give someone the responsibility of
- electric displacement — the electric flux density when an electric field exists in free space into which a dielectric is introduced
- electric polarization — Electric polarization is the type of polarization of electricity that occurs in a dielectric.
- electroencephalograms — Plural form of electroencephalogram.
- electroencephalograph — A machine used for electroencephalography.
- electromagnetic pulse — a surge of electromagnetic radiation, esp one resulting from a nuclear explosion, which can disrupt electronic devices and, occasionally, larger structures and equipment
- 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.
- empire state building — New York City skyscraper
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- equiangular hyperbola — a hyperbola with transverse and conjugate axes equal to each other.
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