23-letter words containing c, a, l, n, d, r
- rate-of-climb indicator — a flight instrument that indicates the rate of climb or descent of an aircraft.
- real simple syndication — (spelling) Illiterate form of Really Simple Syndication.
- rectangular coordinates — Usually, rectangular coordinates. either of two Cartesian coordinates in which the axes meet at right angles.
- red-bellied black snake — a highly venomous Australian black snake, Pseudechis porphyriacus, with a reddish underside
- 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.
- right, left, and centre — on all sides; from every direction
- school (crossing) guard — a person, either an adult or an older student, whose duty it is to help children cross streets near schools safely
- secondary modern school — (formerly) a secondary school offering a more technical or practical and less academic education than a grammar school
- sheltered accommodation — housing specially designed to provide a safe environment for the elderly, handicapped, or disabled, often with some shared facilities and a caretaker
- sierra madre occidental — the system of mountains in the west of Mexico
- 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
- somaliland protectorate — official name of the former British Somaliland.
- swine vesicular disease — a viral disease of swine characterized by vesicular lesions on the feet, legs, snout, and tongue
- track and field athlete — a sportsperson who participates in events that involve running, sprinting, throwing, jumping and walking
- transcendental analytic — (in transcendental logic) the study of the means by which the mind categorizes data from the sensory manifold.
- 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.
- transcendental idealism — the Kantian doctrine that reality consists not of appearances, but of some other order of being whose existence can be inferred from the nature of human reason
- trellis code modulation — (TCM) A modulation technique with hardware error detection and correction.
- trigonal trisoctahedron — a trisoctahedron whose faces are triangles.
- turn a cold shoulder to — to treat with disdain; snub
- turn-and-slip indicator — bank-and-turn indicator.
- unconditional discharge — the release of a defendant without having to spend time on parole or probation
- uniform commercial code — a codification of commercial laws designed to provide uniformity among the states
- 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.
- 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
- wind cave national park — a national park in SW South Dakota. 41½ sq. mi. (107 sq. km).