18-letter words containing r, i, a, u
- casualty insurance — insurance providing coverage against accident and property damages, as automobile, theft, liability, and explosion insurance, but not including life insurance, fire insurance, or marine insurance.
- catalogue raisonne — a descriptive catalogue, esp one covering works of art in an exhibition or collection
- caterpillar hunter — any of various carabid beetles of the genus Calosoma, of Europe and North America, which prey on the larvae of moths and butterflies
- cauliflower cheese — a dish of cauliflower with a cheese sauce, eaten hot
- cauliflower fungus — a large edible white to yellowish cauliflowerlike mushroom, Sparassis radicata, widely distributed in North America.
- centrifugal clutch — an automatic clutch in which the friction surfaces are engaged by weighted levers acting under centrifugal force at a certain speed of rotation
- chambered nautilus — nautilus (def 1).
- character-building — improving certain good or useful traits in a person's character, esp self-reliance, endurance, and courage
- charge conjugation — the mathematical operation of replacing every elementary particle by its antiparticle. Symbol: C.
- charismatic church — a church that emphasizes communal prayer and the charismatic gifts of speaking in tongues, healing, etc
- children's crusade — a crusade to recover Jerusalem from the Saracens, undertaken in 1212 by thousands of French and German children who perished, were sold into slavery, or were turned back.
- cicatricial tissue — scar tissue.
- circular breathing — a technique for sustaining a phrase on a wind instrument, using the cheeks to force air out of the mouth while breathing in through the nose
- circular dichroism — selective absorption of one of the two possible circular polarizations of light.
- circulating medium — currency serving as a medium of exchange
- circulatory system — the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc
- circumnavigational — Relating to circumnavigation.
- citizen journalism — the involvement of non-professionals in reporting news, esp in blogs and other websites
- claustrophobically — In a claustrophobic way.
- coastguard station — the headquarters or local offices of a coastguard
- combination square — an adjustable device for carpenters, used as a try square, miter square, level, etc.
- combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
- combustion furnace — a furnace used in the laboratory to carry out elemental analysis of organic compounds
- communication cord — a cord or chain in a train which may be pulled by a passenger to stop the train in an emergency
- complexity measure — (algorithm) A quantity describing the complexity of a computation.
- computer animation — animated film or video that is generated by computers
- conceptual realism — the doctrine that universals have real and independent existence.
- concrete universal — a principle that necessarily has universal import but is also concrete by virtue of its arising in historical situations.
- concussion grenade — a grenade designed to inflict damage by the force of its detonation rather than by the fragmentation of its casing.
- conductivity water — water that has a conductivity of less than 0.043 × 10–6 S cm–1
- configuration item — (jargon) Hardware or software, or an aggregate of both, which is designated by the project configuration manager (or contracting agency) for configuration management.
- congregate housing — a type of housing in which each individual or family has a private bedroom or living quarters but shares with other residents a common dining room, recreational room, or other facilities.
- conjugated protein — a biochemical compound consisting of a sequence of amino acids making up a simple protein to which another nonprotein group (a prosthetic group), such as a carbohydrate or lipid group, is attached
- considered harmful — (programming, humour) A type of phrase based on the title of Edsger W. Dijkstra's famous note in the March 1968 Communications of the ACM, "Goto Statement Considered Harmful", which fired the first salvo in the structured programming wars. Amusingly, the ACM considered the resulting acrimony sufficiently harmful that it will (by policy) no longer print articles taking so assertive a position against a coding practice. In the ensuing decades, a large number of both serious papers and parodies bore titles of the form "X considered Y". The structured-programming wars eventually blew over with the realisation that both sides were wrong, but use of such titles has remained as a persistent minor in-joke.
- constituency party — a branch of a political party operating within a constituency
- construction paper — Construction paper is a type of stiff, colored paper that children use for drawing and for making things.
- contents insurance — the insurance for the personal property in a household
- continued fraction — a number plus a fraction whose denominator contains a number and a fraction whose denominator contains a number and a fraction, and so on
- contract furniture — furniture designed and manufactured for commercial installation, as in offices, waiting rooms, or lobbies.
- cornucopian thesis — the belief that, as long as science and technology continue to advance, growth can continue for ever because these new advances create new resources
- coronary care unit — a unit in a hospital dedicated to treating coronary heart disease
- coronary occlusion — partial or total obstruction of a coronary artery, as by a thrombus, usually resulting in infarction of the myocardium.
- coronary-care unit — a specialized hospital unit for the early care and treatment of heart-attack patients. Abbreviation: CCU.
- corpus christi bay — a bay in S Texas, at the mouth of the Nueces River.
- counter-adaptation — the act of adapting.
- counter-aggression — the action of a state in violating by force the rights of another state, particularly its territorial rights; an unprovoked offensive, attack, invasion, or the like: The army is prepared to stop any foreign aggression.
- counterattractions — Plural form of counterattraction.
- counterculturalism — The counterculture movement or lifestyle.
- 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.