18-letter words containing c, o, y
- cycle-of-indiction — a proclamation made every 15 years in the later Roman Empire, fixing the valuation of property to be used as a basis for taxation.
- cyclopean concrete — concrete containing stones larger than 6 inches (15 cm).
- cyrano de bergerac — Savinien (savinjɛ̃). 1619–55, French writer and soldier, famous as a duellist and for his large nose. He became widely known through the verse drama Cyrano de Bergerac (1897) by Edmond Rostand
- cytoarchitectonics — Cytoarchitecture.
- death by chocolate — a very rich type of chocolate dessert or cake
- decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
- deficiency account — an account summarizing the financial condition of an individual or company in danger of bankruptcy.
- 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
- dictionary catalog — a library catalog having all its entries, including authors, titles, subjects, etc., in one general alphabetical sequence.
- digital technology — the branch of scientific or engineering knowledge that deals with the creation and practical use of digital or computerized devices, methods, systems, etc.: advances in digital technology.
- dihydrotachysterol — a white, crystalline, water-insoluble sterol, C 28 H 46 O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.
- diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
- discourse analysis — the study of the rules or patterns characterizing units of connected speech or writing longer than a sentence.
- disorderly conduct — any of various petty misdemeanors, generally including nuisances, breaches of the peace, offensive or immoral conduct in public, etc.
- display postscript — An extended form of PostScript permitting its interactive use with bitmap displays.
- doctype decoration — (humour) When a web author adds a doctype declaration but doesn't bother to write valid HTML.
- domremy-la-pucelle — a village in Lorraine, NE France, SW of Nancy: birthplace of Joan of Arc.
- duchenne dystrophy — the most common form of muscular dystrophy, usually affecting only boys
- dynamic psychology — any system of psychology that emphasizes the interaction between different motives, emotions, and drives
- dynamically scoped — dynamic scope
- dysfunctionalities — Plural form of dysfunctionality.
- dysthymic disorder — a psychiatric disorder characterized by generalized depression that lasts for at least a year
- each and every one — all
- east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
- easy come, easy go — You use easy come, easy go to indicate that the person you are talking about does not care much about money and possessions.
- economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
- ecosystem services — the important benefits for human beings that arise from healthily functioning ecosystems, notably production of oxygen, soil genesis, and water detoxification
- eighty-column mind — (abuse) The sort said to be possessed by persons for whom the transition from punched card to paper tape was traumatic (nobody has dared tell them about disks yet). It is said that these people, including (according to an old joke) the founder of IBM, will be buried "face down, 9-edge first" (the 9-edge being the bottom of the card). This directive is inscribed on IBM's 1402 and 1622 card readers and is referenced in a famous bit of doggerel called "The Last Bug", the climactic lines of which are as follows: He died at the console Of hunger and thirst. Next day he was buried, Face down, 9-edge first. The eighty-column mind is thought by most hackers to dominate IBM's customer base and its thinking. See fear and loathing, card walloper.
- electrocyclization — (organic chemistry) an electrocyclic reaction.
- electrodynamometer — An instrument that measures electric current by indicating the strength of repulsion or attraction between the magnetic fields of two sets of coils, one fixed and one movable.
- electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
- embryonic membrane — any of several living membranes enclosing or closely associated with the developing vertebrate embryo, as the allantois, amnion, yolk sac, etc.
- emotional literacy — the ability to deal with one's emotions and recognize their causes
- employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
- enantioselectivity — (chemistry) The selectivity of a reaction towards one of a pair of enantiomers.
- energy consumption — amount of energy used
- environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
- epicycloidal wheel — one of the planetary gears of an epicyclic train
- ethnopsychological — Relating to ethnopsychology.
- european community — an economic and political association of European States that came into being in 1967, when the legislative and executive bodies of the European Economic Community merged with those of the European Coal and Steel Community and the European Atomic Energy Community: subsumed into the European Union in 1993
- eyewitness account — a description given by someone who was present at an event
- fifth monarchy men — (during the Commonwealth in the 17th century) a militant sect of Puritans who identified the fifth monarchy with the millennial reign of Christ and who believed they should help to inaugurate that reign by force.
- fluorodeoxyglucose — (carbohydrate) A fluorine analog of glucose that is used in positron emission tomography.
- fly in the face of — to move through the air using wings.
- forensic chemistry — the application of facts concerning chemistry to questions of civil and criminal law.
- frequency function — probability density function (def 2).
- frequency response — the effectiveness with which a circuit, device, or system processes and transmits signals fed into it, as a function of the signal frequency.
- gas chromatography — a chromatograph used for the separation of volatile substances.
- gensym corporation — (company) A company that supplies software and services for intelligent operations management. Common applications include quality management, process optimisation, dynamic scheduling, network management, energy and environmental management, and process modelling and simulation. Their products include G2.