23-letter words containing u, d, c
- put the record straight — to correct an error or misunderstanding
- 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)
- 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).
- rectangular coordinates — Usually, rectangular coordinates. either of two Cartesian coordinates in which the axes meet at right angles.
- refuse disposal service — a place or facility where rubbish and waste can be disposed
- 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.
- rheumatic heart disease — damage to the heart, especially to the valves, as a result of rheumatic fever, characterized by inflammation of the myocardium or scarring and malfunction of the heart valves.
- right circular cylinder — a cylinder generated by the revolution of a rectangle about one of its sides.
- 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.
- 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
- stand up and be counted — express opinion
- state-trading countries — countries whose export and import trading is government controlled
- swine vesicular disease — a viral disease of swine characterized by vesicular lesions on the feet, legs, snout, and tongue
- the chamber of deputies — the lower legislative assembly in some parliaments
- 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.
- 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.
- ulster defence regiment — a former reserve regiment of the British Army based in Northern Ireland
- unconditional discharge — the release of a defendant without having to spend time on parole or probation
- 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 church of christ — an American Protestant denomination formed in 1957 by a union of the Evangelical and Reformed churches and the Congregational Christian churches.
- united methodist church — the largest denomination of the Methodist church in the U.S., formed in 1939 from the merger of the Methodist Episcopal Church, the Methodist Episcopal Church, South, and the Methodist Protestant Church, with the addition in 1968 of the Evangelical United Brethren.
- 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.
- unprotected intercourse — an act of sexual intercourse or sodomy performed without the use of a condom thus involving the risk of sexually transmitted diseases
- 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.
- viscount melville sound — an arm of the Arctic Ocean between Victoria and Prince of Wales islands to the S and Melville and Bathurst islands to the N, in the Northwest Territories and Nunavut, Canada. 250 miles (400 km) long and 100 miles (160 km) wide.
- 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
- water off a duck's back — any of numerous wild or domesticated web-footed swimming birds of the family Anatidae, especially of the genus Anas and allied genera, characterized by abroad, flat bill, short legs, and depressed body.