18-letter words starting with c
- cicatricial tissue — scar tissue.
- cigar-store indian — a wooden statue of an American Indian, traditionally displayed at the entrance of cigar stores.
- 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
- citizenship papers — the document stating that a naturalized person has been formally declared a citizen
- citta del vaticano — Vatican City
- civil disobedience — Civil disobedience is the refusal by ordinary people in a country to obey laws or pay taxes, usually as a protest.
- clark's nutcracker — a nutcracker, Nucifraga columbiana, of western North America, having pale gray plumage and black and white wings and tail.
- classical armenian — the oldest form of the Armenian language according to written sources, in use from the 5th to the 18th century.
- classical sanskrit — Sanskrit of an ancient period earlier than that of the Prakrits and later than Vedic.
- classified section — the part of a publication that contains classified advertising
- claustrophobically — In a claustrophobic way.
- claw-and-ball foot — ball-and-claw foot.
- clay-colored robin — any of several small Old World birds having a red or reddish breast, especially Erithacus rubecula, of Europe.
- clean as a whistle — If you describe something as clean as a whistle, you mean that it is completely clean.
- clean up one's act — to start to behave in a responsible manner
- cleopatra's needle — either of two Egyptian obelisks, originally set up at Heliopolis about 1500 bc: one was moved to the Thames Embankment, London, in 1878, the other to Central Park, New York, in 1880
- clew down (or up) — to lower (or raise) a sail by means of clew lines
- climbing hydrangea — a woody vine, Hydrangea anomala, of eastern Asia, having shiny, egg-shaped leaves and flat-topped white flower clusters, and climbing by aerial rootlets.
- cling like a leech — to cling or adhere persistently to something
- clinical pathology — the branch of pathology dealing with the study of disease and disease processes by means of chemical, microscopic, and serologic examinations.
- clobbering machine — pressure to conform with accepted standards
- closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
- closed scholarship — a scholarship for which only certain people, such as those from a particular school or with a particular surname, are eligible
- closed-box testing — functional testing
- closure conversion — (theory) The transformation of continuation passing style code so that the only free variables of functions are names of other functions. See also Lambda lifting.
- clothing allowance — an amount of money to compensate for the purchase of clothes for work, school, etc
- coals to newcastle — If someone is taking coals to Newcastle, they are trying to give or sell someone something that they already have a lot of.
- coast rhododendron — a rhododendron, Rhododendron macrophyllum, of western North America, having large clusters of rose-purple flowers spotted with brown: the state flower of Washington.
- coast-guard cutter — a cutter used by the U.S. Coast Guard.
- coastguard station — the headquarters or local offices of a coastguard
- cobalt violet deep — a medium to strong purple color.
- coccidioidomycosis — a disease of the skin or viscera, esp the lungs, caused by infection with the fungus Coccidioides immitis
- cock-a-leekie soup — a soup made from a fowl boiled with leeks
- coffee-table music — unadventurous music
- cognitive ethology — a branch of ethology concerned with the influence of conscious awareness and intention on the behaviour of an animal
- coiled tubing unit — A coiled tubing unit is all of the equipment needed to carry out coiled tubing drilling.
- coitus interruptus — the deliberate withdrawal of the penis from the vagina before ejaculation
- collagen injection — an injection of collagen into the lip in order to give it a fuller appearance
- collection charges — the charges levied to cover expenses for the collection of debt
- college of justice — the official name for the Scottish Court of Session; the supreme court of Scotland
- collision coverage — Collision coverage is insurance cover for vehicle accidents.
- collision diameter — the distance between the centers of two colliding molecules when at their closest point of approach.
- colloidal solution — a mixture having particles of one component, with diameters between 10 −7 and 10 −9 metres, suspended in a continuous phase of another component. The mixture has properties between those of a solution and a fine suspension
- colonic irrigation — Colonic irrigation is a medical procedure in which a person's colon is washed by injecting water or other fluids into it.
- color transparency — a positive color image photographically produced on transparent film or glass and viewed by transmitted light, usually by projection.