18-letter words containing a, c, o, i
- counterculturalist — the culture and lifestyle of those people, especially among the young, who reject or oppose the dominant values and behavior of society.
- countercyclicality — The quality of being countercyclical.
- counterprogramming — the practice of scheduling a program opposite another program, esp. a popular one, that appeals to a different kind of audience, as in placing a romantic film directed at women opposite a sports program mainly watched by men
- counterreformation — a reform movement to oppose a previous one
- countertherapeutic — Working against a therapy.
- countryside agency — (in England) a government agency that promotes the conservation and enjoyment of the countryside and aims to stimulate employment in rural areas
- coupling capacitor — A coupling capacitor is a capacitor that is used to transmit an alternating current signal from one node to another.
- cranial osteopathy — osteopathy that focuses on the cranium and the spine
- craniorachischisis — Lb pathology A defect of the neural tube in which both the brain and spinal cord are left open.
- creatine phosphate — phosphocreatine.
- creme de framboise — a liqueur flavored with raspberries.
- crested dog's-tail — a common wiry perennial grass, Cynosurus cristatus, of meadows and pasture
- criminal profiling — the analysis of a person's psychological and behavioural characteristics, so as to assess whether they are likely to have committed a crime under investigation
- critical constants — the physical constants that express the properties of a substance in its critical state
- crookes radiometer — a type of radiometer consisting of an evacuated glass bulb containing a set of lightweight vanes, each blackened on one side. The vanes are mounted on a vertical axis and revolve when light, or other radiant energy, falls on them
- cross-disciplinary — linking two or more fields of study
- crude oil desalter — A crude oil desalter is equipment which removes inorganic salts from crude oil, using chemical or electrostatic separation.
- crude oil fraction — A crude oil fraction is a component of crude oil, which has its own particular molecular composition, weight, and boiling point.
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- crystal oscillator — a clear, transparent mineral or glass resembling ice.
- cultural diffusion — act of diffusing; state of being diffused.
- cultural sociology — the study of the origins and development of societal institutions, norms, and practices.
- cumbrian mountains — a mountain range in NW England, in Cumbria. Highest peak: Scafell Pike, 977 m (3206 ft)
- cumulative scoring — a method of scoring in which the score of a partnership is taken as the sum of their scores on all hands played.
- curvature of field — a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
- custodial sentence — a sentence given by a court that involves a term of imprisonment
- customer relations — Customer relations are the relationships that a business has with its customers and the way in which it treats them.
- customs and excise — Customs and Excise is a British government department which is responsible for collecting taxes on imported and exported goods. Compare Customs Service.
- cytoarchitectonics — Cytoarchitecture.
- dagwood (sandwich) — a thick sandwich with a variety of fillings, often of apparently incompatible foods
- data communication — electronic transmission of information that has been encoded for storage and processing by computers.
- de-objectification — to present as an object, especially of sight, touch, or other physical sense; make objective; externalize.
- dead-letter office — an office where undeliverable letters were taken for storage
- debt consolidation — the process of taking out a new loan (often secured on one's property) in order to pay off a number of existing debts
- decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
- dechristianization — The act of dechristianizing; the systematic removal of Christianity or Christian elements.
- declaration of war — a formal statement made by one country to another that a state of war now exists between them
- decompartmentalize — to remove excessive compartmentalization from (an organization)
- deficiency account — an account summarizing the financial condition of an individual or company in danger of bankruptcy.
- democratic deficit — any situation in which there is believed to be a lack of democratic accountability and control over the decision-making process
- diagnostic testing — Diagnostic testing is the testing of a vehicle, or one of its systems or parts, in order to identify why it is not working properly.
- dialytic telescope — a type of achromatic telescope with a second correcting lens
- diaminofluorescein — (organic compound) A fluorescein into which two amino groups have been substituted.
- diamondback turtle — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
- diatomaceous earth — an unconsolidated form of diatomite
- diazonium compound — any of a series of compounds that contain the group ArN 2 –, in which Ar represents an aryl group.
- dichloracetic acid — a highly corrosive acid. Formula: C2H2Cl2O2
- dictionary catalog — a library catalog having all its entries, including authors, titles, subjects, etc., in one general alphabetical sequence.
- digital switchover — the process of changing the method of transmitting television from analogue to digital format
- 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.