18-letter words containing c, e, t, y
- complementary gene — one of a pair of genes, each from different loci, that together are required for the expression of a certain characteristic
- complexity measure — (algorithm) A quantity describing the complexity of a computation.
- computer telephony — Computer Telephone Integration
- conductivity water — water that has a conductivity of less than 0.043 × 10–6 S cm–1
- conservative party — The Conservative Party is the main right-of-centre party in Britain.
- constituency party — a branch of a political party operating within a constituency
- continental system — French system.
- cornell university — (body, education) A US Ivy League University founded in 1868 by businessman Ezra Cornell and respected scholar Andrew Dickson White. Cornell includes thirteen colleges and schools. On the Ithaca campus are the seven undergraduate units and four graduate and professional units. The Medical College and the Graduate School of Medical Sciences are in New York City. Cornell has 13,300 undergraduates and 6,200 graduate and professional students. See also Concurrent ML, Cornell Theory Center, Cornell University Programming Language, CU-SeeMe, ISIS.
- coronary care unit — a unit in a hospital dedicated to treating coronary heart disease
- coronary-care unit — a specialized hospital unit for the early care and treatment of heart-attack patients. Abbreviation: CCU.
- corporate identity — business brand
- corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
- cot death syndrome — the unexplained sudden death of an infant during sleep
- counter-hypothesis — a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis) or accepted as highly probable in the light of established facts.
- countercyclicality — The quality of being countercyclical.
- counterintuitively — In a manner contrary to intuition or common sense.
- countryside agency — (in England) a government agency that promotes the conservation and enjoyment of the countryside and aims to stimulate employment in rural areas
- cranial osteopathy — osteopathy that focuses on the cranium and the spine
- credibility rating — a supposed measure of how far a person can be believed or trusted
- crested flycatcher — any of various tyrant flycatchers (esp. genus Myiarchus) with a prominent crest
- cry one's eyes out — to weep bitterly
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- cultural diversity — the cultural variety and cultural differences that exist in the world, a society, or an institution: Dying languages and urbanization are threats to cultural diversity.
- current efficiency — the ratio of the actual mass of a substance liberated from an electrolyte by the passage of current to the theoretical mass liberated according to Faraday's law
- cut one's eyeteeth — to become experienced or sophisticated
- cycle of indiction — indiction (def 3).
- 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.
- cyclic pitch lever — a lever in a helicopter to change the angle of attack of individual rotor blades, causing the helicopter to move forwards, backwards, or sideways
- cyclopean concrete — concrete containing stones larger than 6 inches (15 cm).
- cytoarchitectonics — Cytoarchitecture.
- death by chocolate — a very rich type of chocolate dessert or cake
- death-valley curve — a curve on a graph showing how the capital of a new company plotted against time declines sharply as the venture capital is used up before income reaches predicted levels
- deficiency account — an account summarizing the financial condition of an individual or company in danger of bankruptcy.
- deficiency payment — a payment made to a commodity producer that represents the difference between the market price and the guaranteed price
- 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
- 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.
- disorderly conduct — any of various petty misdemeanors, generally including nuisances, breaches of the peace, offensive or immoral conduct in public, etc.
- distress frequency — a radio frequency band reserved for emergency signals from aircraft or ships in distress.
- doctype decoration — (humour) When a web author adds a doctype declaration but doesn't bother to write valid HTML.
- duchenne dystrophy — the most common form of muscular dystrophy, usually affecting only boys
- dysfunctionalities — Plural form of dysfunctionality.
- dysthymic disorder — a psychiatric disorder characterized by generalized depression that lasts for at least a year
- east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
- 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.
- electricity strike — a time when workers at an electricity company stop supplying power as a protest at working conditions
- electrocyclization — (organic chemistry) an electrocyclic reaction.