23-letter words containing d, a, n, u, s
- keep sth under your hat — If you tell someone to keep a piece of information under their hat, you are asking them not to tell anyone else about it.
- l'apres-midi d'un faune — L'Après-midi d'un Faune.
- leave no stone unturned — the hard substance, formed of mineral matter, of which rocks consist.
- light and shade surface — (in architectural shades and shadows) a surface in a plane tangent to the parallel rays from the theoretical light source, treated as a shade surface.
- locally euclidean space — a topological space in which each point has a neighborhood that is homeomorphic to an open set in a Euclidean space of specified dimension.
- lossy audio compression — (audio, compression) Any audio compression algorithm which does not retain every bit of data but only reproduces a signal that sounds more or less like the original. Examples are MP1, MP2, MP3, AAC.
- main distribution frame — (networking) (MDF) The network closet containing the main hub.
- maturity-onset diabetes — diabetes (def 4).
- message digest function — one-way hash function
- midsummer night's dream — a comedy (1595?) by Shakespeare.
- modern sequence dancing — a form of dancing in which ballroom dance steps are used as the basis of a wide variety of different dances typically performed in a sequence
- nondisclosure agreement — a legal contract in which one or more parties agree to keep information, as a trade secret, confidential and protected for a specific amount of time. Abbreviation: NDA.
- one-hundred share index — the average prices for shares of the largest, most actively traded, 100 companies on the London Stock Exchange
- ordinary life insurance — life insurance with premiums paid throughout the lifetime of the insured.
- orthodox eastern church — Eastern Orthodox Church
- parasexual reproduction — reproduction by recombination of genes from genetically dissimilar nuclei within binucleate or multinucleate cells, as in filamentous fungi.
- percentage distribution — a frequency distribution is which individual frequencies are shown as a percentage of the total frequencies
- peroxymonosulfuric acid — persulfuric acid (def 1).
- professional misconduct — a violation of the rules or boundaries set by the governing body of a profession
- profit and loss account — income account (def 2).
- 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.
- quantum electrodynamics — the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbreviation: QED.
- quantum flavourdynamics — a gauge theory of the electromagnetic and weak interactions
- 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
- 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).
- 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.
- 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.
- 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.
- russian orthodox church — the national Church of Russia, constituting a branch of the Eastern Church, presided over by the Patriarch of Moscow
- school (crossing) guard — a person, either an adult or an older student, whose duty it is to help children cross streets near schools safely
- security association id — (networking) (SAID) A 32-bit field added to packet headers for encryption and authentication in the proposed Internet Protocol Version 6.
- 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.
- 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
- 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
- steal someone's thunder — to strike, drive, inflict, give forth, etc., with loud noise or violent action.
- sustainable development — supporting economy via renewable resources
- swine vesicular disease — a viral disease of swine characterized by vesicular lesions on the feet, legs, snout, and tongue
- take sth in your stride — In British English, if you take a problem or difficulty in your stride, you deal with it calmly and easily. The American expression is take something in stride.
- thousand and one nights — a collection of Eastern folk tales derived in part from Indian and Persian sources and dating from the 10th century a.d.
- to add insult to injury — You say to add insult to injury when mentioning an action or fact that makes an unfair or unacceptable situation even worse.
- to be at your wit's end — If you say that you are at your wits' end, you are emphasizing that you are so worried and exhausted by problems or difficulties that you do not know what to do next.
- to have your hands full — If you have your hands full with something, you are very busy because of it.