23-letter words containing a, n, d, r, u
- 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.
- 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.
- 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.
- 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.
- 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.
- throw down the gauntlet — a medieval glove, as of mail or plate, worn by a knight in armor to protect the hand.
- 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.
- tongue-and-groove joint — a long, narrow cut or indentation in a surface, as the cut in a board to receive the tongue of another board (tongue-and-groove joint) a furrow, or a natural indentation on an organism.
- transcendental argument — an argument designed to make explicit the conditions under which a certain kind of knowledge is possible, esp those of Kant
- transcendental equation — an equation that involves transcendental functions.
- transcendental function — a function that is not an algebraic function.
- trellis code modulation — (TCM) A modulation technique with hardware error detection and correction.
- trials and tribulations — difficult experiences
- turn a cold shoulder to — to treat with disdain; snub
- turn-and-bank indicator — bank-and-turn indicator.
- turn-and-slip indicator — bank-and-turn indicator.
- twenty-fourth amendment — an amendment to the U.S. Constitution, ratified in 1964, forbidding the use of the poll tax as a requirement for voting in national or U.S. Congressional elections.
- unconditional discharge — the release of a defendant without having to spend time on parole or probation
- under a gooseberry bush — used humorously in answering children's questions regarding their birth
- under the circumstances — a condition, detail, part, or attribute, with respect to time, place, manner,agent, etc., that accompanies, determines, or modifies a fact or event; a modifying or influencing factor: Do not judge his behavior without considering every circumstance.
- uniform commercial code — a codification of commercial laws designed to provide uniformity among the states
- unincorporated business — a privately owned business, often owned by one person who has unlimited liability as the business is not legally registered as a company
- united church of canada — the largest Protestant denomination in Canada, formed in the 1920s by incorporating some Presbyterians and most Methodists
- united states air force — the permanent or regular military air force of the United States, established in 1947 as a separate service under the authority of the Department of Defense: a branch of the U.S. Army before 1947. Abbreviation: USAF.
- united states of brazil — former official name of Brazil.
- urea-formaldehyde resin — any of a group of resins formed by the interaction of urea and formaldehyde under conditions that include heat and pH control: used chiefly in the manufacture of buttons, baking enamels, and for making fabrics wrinkle-resistant.
- van der waals' equation — an equation of state relating the pressure, volume, and absolute temperature of a gas, taking into account the finite size of the molecules and the attractive force between them.
- ventricular tachycardia — a cardiac arrhythmia in which the muscles of the ventricles contract irregularly in a rapid, uncoordinated manner, impairing the normal pumping of blood.
- virtual device location — (Or "Virtual Address") The address of a device (e.g. disk, printer, terminal) belonging to a "guest" operating system. Such an address is mapped to a physical device. VM may remap several virtual disks to different parts of a single physical disk.
- visual display terminal — video display terminal. Abbreviation: VDT.
- volumetric displacement — the volume of air per revolution that passes through a mechanical pump when the pressure at the intake and the exhaust is the same as that of the atmosphere
- wholly-owned subsidiary — A wholly-owned subsidiary is a company whose shares are all owned by another company.
- wolfgang amadeus mozart — Wolfgang Amadeus [woo lf-gang am-uh-dey-uh s;; German vawlf-gahng ah-mah-dey-oo s] /ˈwʊlf gæŋ ˌæm əˈdeɪ əs;; German ˈvɔlf gɑŋ ˌɑ mɑˈdeɪ ʊs/ (Show IPA), 1756–91, Austrian composer.