23-letter words containing a, e, n, u
- peroxymonosulfuric acid — persulfuric acid (def 1).
- pharmaceuticals company — a company specialising in developing and marketing pharmaceuticals
- photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
- pithecanthropus erectus — Java man
- plain old documentation — (text) (pod, occasionally "POD") A simple markup language used to embed documentation, literate programming-style, in Perl programs. Pod readers and converters are part of the standard Perl distribution and the documentation provided with Perl is all in pod format.
- polytetrafluoroethylene — any polymer, plastic, or resin having the formula (C 2 F 4) n , prepared from tetrafluoroethylene, noted for its slippery, nonsticking properties, and used in the manufacture of gaskets, electrical insulation, tubing, candy molds, container linings, frying-pan coatings, etc.
- potassium monophosphate — any of the three orthophosphates of potassium ((potassium monophosphate) (K 2 HPO 4), (potassium diphosphate) (KH 2 PO 4), and (tripotassium phosphate) (K 3 PO 4) )
- precautionary principle — the precept that an action should not be taken if the consequences are uncertain and potentially dangerous
- price escalation clause — a clause in a contract allowing the seller to raise prices if the cost of inputs increases
- product differentiation — the real or illusory distinction between competing products in a market
- professional misconduct — a violation of the rules or boundaries set by the governing body of a profession
- program design language — Any of a large class of formal and profoundly useless pseudo-languages in which management forces one to design programs. Too often, management expects PDL descriptions to be maintained in parallel with the code, imposing massive overhead of little or no benefit. See also flow chart.
- publicly-quoted company — a company whose shares are traded on a stock exchange
- puerto rican royal palm — a feather palm, Roystonea borinquena, of Puerto Rico and St. Croix, having leaves about 10 feet (3 meters) long and egg-shaped, yellowish-brown fruit.
- put in a false position — to cause misunderstanding of the intentions, opinions, etc. of
- put through one's paces — a rate of movement, especially in stepping, walking, etc.: to walk at a brisk pace of five miles an hour.
- quantum electrodynamics — the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbreviation: QED.
- quay financial software — CSK Software
- queen charlotte islands — a group of about 150 islands off the W coast of Canada: part of British Columbia. Pop: about 6000 (latest est). Area: 9596 sq km (3705 sq miles)
- queen elizabeth islands — a group of islands off the N coast of Canada: the northernmost islands of the Canadian Arctic archipelago, lying N of latitude 74°N; part of Nunavut. Area: about 390 000 sq km (150 000 sq miles)
- quod erat demonstrandum — (at the conclusion of a proof, esp of a theorem in Euclidean geometry) which was to be proved
- quota share reinsurance — Quota share reinsurance is a form of reinsurance in which the reinsurer accepts a certain percentage of all or certain parts of the business of the reinsured person or company.
- quote chapter and verse — [by analogy with the mainstream phrase] To cite a relevant excerpt from an appropriate bible. "I don't care if "rn" gets it wrong; "Followup-To: poster" is explicitly permitted by RFC 1036. I'll quote chapter and verse if you don't believe me." See also legalese, language lawyer, RTFS (sense 2).
- random number generator — a piece of computer software used to create a sequence of random numbers
- rank outsider/outsiders — If one of the people in a competition is described as a rank outsider, they are considered to have very little chance of winning.
- rectangular coordinates — Usually, rectangular coordinates. either of two Cartesian coordinates in which the axes meet at right angles.
- relative sunspot number — a number indicating the degree of sunspot activity on the sun as a factor of observer idiosyncrasies, the number of sunspot groups, and the number of individual sunspots.
- residual current device — a circuit-breaking device installed in electrical equipment to protect the operator from electrocution
- residual debt insurance — Residual debt insurance is a type of risk insurance that banks often require when granting a loan, which is used to guarantee that the loan is repaid in the event of death or disability.
- right circular cylinder — a cylinder generated by the revolution of a rectangle about one of its sides.
- rocky mountain beeplant — a rank-smelling plant, Cleome serrulata, of the caper family, native to the western U.S., having showy, dense clusters of pink or white flowers, frequented by bees.
- roentgen equivalent man — the dose of ionizing radiation that produces the same effect in man as one roentgen of x- or gamma-radiation
- route of administration — A route of administration is the means by which a drug or agent enters the body, such as by mouth or by injection.
- rsa data security, inc. — (cryptography, company) (After Rivest, Shamir, Adleman - see RSA) A recognised world leader in cryptography, with millions of copies of its software encryption and authentication installed and in use worldwide. RSA's technologies are the global de facto standard for public key cryptography and digital signatures, and are part of existing and proposed standards for the Internet, ITU-T, ISO, ANSI, PKCS, IEEE and business and financial networks around the world.
- rub sb up the wrong way — If you rub someone up the wrong way in British English, or rub someone the wrong way in American English, you offend or annoy them without intending to.
- saint george's mushroom — an edible whitish basidiomycetous fungus, Tricholoma gambosum, with a floury smell
- securities exchange act — a law passed in 1934 establishing the SEC.
- security association id — (networking) (SAID) A 32-bit field added to packet headers for encryption and authentication in the proposed Internet Protocol Version 6.
- settle (one's) accounts — To settle accounts with an enemy or opponent means to bring your fight or quarrel to an end by defeating them.
- severinus de monzambano — Samuel von [zah-moo-uh l fuh n] /ˈzɑ mu əl fən/ (Show IPA), ("Severinus de Monzambano") 1632–94, German jurist and historian.
- sidewalk superintendent — a bystander who watches the building, demolition, repair, or other work being done at a construction site.
- slum clearance campaign — a campaign to rehouse those people who live in a slum area, and to prepare the area for demolition and rebuilding
- social education centre — a daycentre, run by a local authority, for people with learning disabilities and sometimes also for people who have physical disabilities or are mentally ill
- social insurance number — a nine-digit number used by the federal government to identify a citizen
- social security payment — a payment of social security made to an individual
- speak the same language — to communicate with understanding because of common background, values, etc
- squamous cell carcinoma — a carcinoma that arises from squamous epithelium in the skin and sometimes in the mucous membranes.
- st. pierre and miquelon — two small groups of islands off the S coast of Newfoundland: an overseas territory of France; important base for fishing. 3 sq. mi. (240 sq. km). Capital: St. Pierre.
- stand up and be counted — express opinion
- state-trading countries — countries whose export and import trading is government controlled