21-letter words containing d, e, c, n
- insurance underwriter — sb who assesses eligibility for insurance policies
- isopropylideneacetone — mesityl oxide.
- keep one's voice down — If someone tells you to keep your voice down, they are asking you to speak more quietly.
- keyboard send receive — (hardware) (KSR) Part of a designation for a hard-copy terminal, manufactured by Teletype Corporation. The KSR range were lower cost versions of the ASR models.
- kicking and screaming — If you say that someone is dragged kicking and screaming into a particular course of action, you are emphasizing that they are very unwilling to do what they are being made to do.
- lactate dehydrogenase — an enzyme that catalyzes the interconversion of pyruvate and lactate, an important step in carbohydrate metabolism: elevated serum levels indicate injury to kidney, skeletal muscle, or heart muscle. Abbreviation: LDH.
- lafcadio's adventures — French Les Caves du Vatican. a novel (1914) by André Gide.
- large hadron collider — a particle accelerator at the European Laboratory for Particle Physics near Geneva, containing a circular underground tunnel 27km (16.8 miles) in circumference, around which two streams of hadrons are sent in opposite directions before being brought together in a high-energy collision
- law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
- learning difficulties — difficulty experienced in reaching the average standard of people of the same age group as regards intellectual and cognitive skills and performance
- lexical decision task — an experimental task in which subjects have to decide as fast as possible whether a given letter string is a word
- logic design language — (language) A language for computer design.
- luck was on sb's side — If you say that luck was on someone's side, you mean that they succeeded in something by chance as well as by their own efforts or ability.
- madagascar aquamarine — a form of blue beryl from Madagascar, used as a gemstone
- madagascar periwinkle — a plant, Catharanthus roseus (or Vinca rosea), cultivated for its glossy foliage and pink or white flowers.
- magnetic flux density — Also called magnetic flux density. a vector quantity used as a measure of a magnetic field. Symbol: B.
- magneto-optical drive — magneto-optical disk
- magnetofluid dynamics — magnetohydrodynamics.
- magnetoplasmadynamics — magnetohydrodynamics.
- magnificent riflebird — a bird of paradise, Craspedophora magnifica
- mariage de convenance — marriage entered into for a personal or family advantage, as for social, political, or economic reasons, usually without love and sometimes without the expectation of sexual relations.
- mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
- medical jurisprudence — forensic medicine.
- mediterranean climate — a climate characterized by warm, dry summers and rainy winters
- medium access control — Media Access Control
- meter-kilogram-second — of or relating to the system of units in which the meter, kilogram, and second are the principal units of length, mass, and time. Abbreviation: mks, MKS.
- metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
- metropolitan district — any of the districts making up the metropolitan counties of England: since 1986 they have functioned as unitary authorities, forming the sole principal tier of local government. Each metropolitan district has an elected council responsible for education, social services, etc
- model-view-controller — (programming) (MVC) A way of partitioning the design of interactive software; a software architecture pattern. The "model" is the internal workings of the program (the data objects and algorithms), the "view" is how the user sees the state of the model and the "controller" is how the user changes the state or provides input. MVC was the original kind of what is now sometimes called an MV* pattern. Trygve Reenskaug introduced it into Smalltalk-76 while visiting Xerox PARC in the 1970s.
- modern apprenticeship — an arrangement that allows a school leaver to gain vocational qualifications while being trained in a job
- monochloroacetic acid — chloroacetic acid.
- multi-ringed compound — A multi-ringed compound is a compound which has 70 or more carbon atoms, often a residual compound.
- munchausen's syndrome — a mental disorder in which a patient feigns illness to obtain hospital treatment
- muon-catalysed fusion — an experimental form of nuclear fusion in which hydrogen and deuterium muonic atoms are formed. Because the mass of the muon is much larger than that of the electron, the atoms are smaller, and the nuclei are close enough for fusion to occur
- near-death experience — A near-death experience is a strange experience that some people who have nearly died say they had when they were unconscious.
- needs no introduction — If you say that someone or something needs no introduction, you mean that they are so well known that everyone knows who or what they are.
- non-repeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
- noncustodial sentence — a punishment given by a court of law that does not involve a prison term, such as a fine or a restriction order
- nonexecutive director — a director of a commercial company who is not a full-time member of the company but is brought in to advise the other directors
- occupational guidance — advice and guidance relating to employment issues and career choices
- old spanish practices — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- open trading protocol — Internet Open Trading Protocol
- ortho-dichlorobenzene — a colorless liquid with a pleasant odor, C 6 H 4 Cl 2 , used as a solvent for a wide range of organic materials.
- overcurrent detection — Overcurrent detection is a method of establishing that the value of current in a circuit exceeds a particular value for a particular length of time.
- pacific standard time — See under standard time.
- packed encoding rules — (protocol, standard) (PER) ASN.1 encoding rules for producing a compact transfer syntax for data structures described in ASN.1, defined in 1994. PER provides a much more compact encoding then BER. It tries to represents the data units using the minimum number of bits. The compactness requires that the decoder knows the complete abstract syntax of the data structure to be decoded, however. Documents: ITU-T X.691, ISO 8825-2.
- painter and decorator — a person who paints and decorates houses as a trade
- paradoxical intention — (in psychotherapy) the deliberate practice of a neurotic habit or thought, undertaken in order to remove it
- pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
- per second per second — a unit used for acceleration when the change in velocity per second is divided by the change in time, which is also in seconds: e.g., if the velocity increased from 5 meters per second to 20 meters per second in a time interval of one second, the acceleration would be 15 meters per second per second (15 m/sec./sec. or 15/m/sec.2)