21-letter words containing a, c, d, e, m
- decompression chamber — a chamber in which the pressure of air can be varied slowly for returning people from abnormal pressures to atmospheric pressure without inducing decompression sickness
- democratic centralism — the Leninist principle that policy should be decided centrally by officials, who are nominally democratically elected
- denominational school — a school associated with a particular religious denomination
- department of justice — the department of the U.S. federal government charged with the responsibility for the enforcement of federal laws. Abbreviation: DOJ.
- development education — an area of study that aims to give pupils an understanding of their involvement in world affairs
- displacement activity — a behavior performed out of its usual context and apparently irrelevant to the prevailing situation, as eating when an unknown individual approaches, tending to occur when appropiate behaviors, as attacking or fleeing, are in conflict or obstructed.
- draft once reuse many — (jargon) (DORUM) Reusing parts of a document to produce parts of an entirely new document. The term normally refers to text documents but the practise is equally common in programming.
- dynamic data exchange — (language) (DDE, originally Dynamic Data Linking, DDL) A Microsoft Windows 3 hotlink protocol that allows application programs to communicate using a client-server model. Whenever the server (or "publisher") modifies part of a document which is being shared via DDE, one or more clients ("subscribers") are informed and include the modification in the copy of the data on which they are working.
- dynamic drive overlay — (storage, software) (DDO) Software to allow a system BIOS that does not support Logical Block Addressing to access drives larger than 528 MB. The alternatives are to update the system BIOS or install an EIDE controller card with a suitable on-board BIOS.
- electric displacement — the electric flux density when an electric field exists in free space into which a dielectric is introduced
- electromagnetic field — a field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation
- embarras de richesses — a superfluous abundance of options, from which one finds it difficult to select
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
- epidemic encephalitis — any type of widespread encephalitis caused by various viruses
- faculty board meeting — a meeting of the governing body of a faculty
- ferric sodium oxalate — an emerald-green, crystalline, extremely water-soluble salt, used in photography and blueprinting.
- financial times index — one of the indexes of share prices produced by the Financial Times, especially the Financial Times Stock Exchange 100 Index
- frederick william iii — 1770–1840, king of Prussia 1797–1840.
- fundamental frequency — the lowest frequency at which a medium will freely oscillate.
- game of cat and mouse — In a fight or contest, if one person plays cat and mouse, or a game of cat and mouse, with the other, the first person tries to confuse or deceive the second in order to defeat them.
- garden of remembrance — an area of land containing cultivated plants, trees, etc, to commemorate the dead
- ground-effect machine — ACV (def 2).
- hindu-arabic numerals — Arabic numeral.
- immediate constituent — one of the usually two largest constituents of a construction: The immediate constituents of He ate his dinner are he and ate his dinner; of ate his dinner are ate and his dinner; etc. Abbreviation: IC.
- in good circumstances — (of a person) in a good financial situation
- in-complete dominance — the appearance in a heterozygote of a trait that is intermediate between either of the trait's homozygous phenotypes.
- joseph-marie jacquard — (person) /zhoh-zef' mah-ree' zhah-kar'/ (1752-07-07 to 1834-08-07) The inventor of the Jacquard loom.
- 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.
- lady macbeth strategy — a strategy in a takeover battle in which a third party makes a bid acceptable to the target company, appearing to act as a white knight but subsequently joining forces with the original (unwelcome) bidder
- lady of the camellias — French La Dame aux Camélias. a novel (1848) and play (1852) by Alexandre Dumas fils.
- 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)
- light armored vehicle — an eight-wheeled armored reconnaissance car with a 25mm cannon, in service with the U.S. Army and Marine Corps in the 1980s.
- macgillicuddy's reeks — a mountain range in County Kerry, SW Ireland. Highest peak (also highest in Ireland), Carrantuohill, 3414 feet (1041 meters).
- 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
- make a policy paid up — If you make a policy paid up, you stop making premium payments into a life policy but still leave the coverage in place.
- 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.
- mayor of casterbridge — a novel (1886) by Thomas Hardy.
- mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
- medical jurisprudence — forensic medicine.
- medical social worker — a person who works in a hospital and is responsible for offering counselling to patients and their families and ensuring that discharged patients will receive appropriate care in the community
- 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.