18-letter words containing d, e, p, c, o
- crookes dark space — the dark space between the cathode glow and the negative glow in a vacuum tube, occurring when the pressure is low.
- cursor dipped in x — (jargon) The metaphorical source of the electronic equivalent of a poisoned-pen letter. Derived from English metaphors of the form "pen dipped in X" (where X = e.g. "acid", "bile", "vitriol"). These map over neatly to this hackish usage (the cursor being what moves, leaving letters behind, when one is composing on-line). "Talk about a nastygram! He must've had his cursor dipped in acid when he wrote that one!"
- decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
- decision procedure — a procedure, as an algorithm, for determining in a finite number of steps the validity of any of a certain class of propositions.
- decompartmentalize — to remove excessive compartmentalization from (an organization)
- deep-discount bond — a fixed-interest security that pays little or no interest but is issued at a substantial discount to its redemption value, thus largely substituting capital gain for income
- developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
- dialytic telescope — a type of achromatic telescope with a second correcting lens
- diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
- diplomatic service — diplomatic corps
- diplomatic shuttle — a series of diplomatic visits to other states made by an official, such as an ambassador or envoy
- dispatch documents — documents sent with a parcel, etc, detailing information such as contents, delivery address, etc
- doctype decoration — (humour) When a web author adds a doctype declaration but doesn't bother to write valid HTML.
- domestic appliance — a machine used for household tasks, for example, a washing machine, refrigerator, etc.
- dominican republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
- domremy-la-pucelle — a village in Lorraine, NE France, SW of Nancy: birthplace of Joan of Arc.
- drop in the bucket — a deep, cylindrical vessel, usually of metal, plastic, or wood, with a flat bottom and a semicircular bail, for collecting, carrying, or holding water, sand, fruit, etc.; pail.
- duchenne dystrophy — the most common form of muscular dystrophy, usually affecting only boys
- due process of law — the administration of justice in accordance with established rules and principles
- dynamically scoped — dynamic scope
- east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
- egg and spoon race — a novelty race in which contestants each carry an egg in a spoon to the finish line, the winner being the first to finish without dropping or breaking the egg.
- egg-and-spoon race — a race in which runners carry an egg balanced in a spoon
- eigendecomposition — (linear algebra) The factorization of a matrix into a canonical form, whereby the matrix is represented in terms of its eigenvalues and eigenvectors.
- electrocardiograph — A machine used for electrocardiography.
- epicycloidal wheel — one of the planetary gears of an epicyclic train
- executive producer — a producer of a film or television programme who is involved with business or technical issues rather than the technical aspects of film or television production
- forced development — the processing of underexposed photographic film to increase the image density
- forced perspective — the use of objects or images that are larger or smaller than they should be, to suggest that they are nearer or further away than they really are
- forward compatible — forward compatibility
- heptadecanoic acid — a colourless crystalline water-insoluble carboxylic acid used in organic synthesis. Formula: CH3(CH2)15COOH
- high speed connect — (hardware) (HSC) A Hewlett-Packard bus like EISA.
- hypermodern school — a style of chess characterized by control of the centre from the flanks
- hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
- imploded consonant — a consonant which is pronounced with or by implosion
- independent school — (in Britain) a school that is neither financed nor controlled by the government or local authorities
- inductive coupling — the coupling between two electric circuits through inductances linked by a common changing magnetic field.
- juan ponce de leon — Juan [hwahn] /ʰwɑn/ (Show IPA), c1460–1521, Spanish explorer.
- lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
- little spotted cat — a small New World tiger cat, Felis tigrinus, ranging from Costa Rica to northern Argentina.
- medical profession — the body of people who work as doctors of medicine
- mexican gold poppy — an annual wildflower, Eschscholzia mexicana, having orange-gold, cup-shaped flowers, found in dry, mountainous regions of western North America.
- middle paleolithic — See under Paleolithic.
- misplaced modifier — Grammar. a word, phrase, or clause that seems to refer to or modify an unintended word because of its placement in a sentence, as when young in When young, circuses appeal to all of us.
- mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- morphine addiction — the fact or condition of being addicted to morphine
- mucopolysaccharide — (formerly) glycosaminoglycan.
- multiply-connected — connected but not simply-connected.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- non-correspondence — communication by exchange of letters.