18-letter words containing c, h, a
- chocolate-coloured — dark brown
- cholangiocarcinoma — (pathology) Cancer of the bile duct.
- christian brethren — Brother of the Christian Schools.
- christian brothers — a religious congregation of laymen founded in France in 1684 for the education of the poor
- christian democrat — a member or supporter of a Christian Democratic party
- christian endeavor — an organization of young people of various evangelical Protestant churches, formed in 1881 to promote Christian principles and service.
- christian reformed — of or relating to a Protestant denomination (Christian Reformed Church) organized in the U.S. in 1857 by groups that had seceded from the Dutch Reformed Church.
- christine de pisan — ?1364–?1430, French poet and prose writer, born in Venice. Her works include ballads, rondeaux, lays, and a biography of Charles V of France
- christmas shopping — shopping especially for Christmas presents, but also for Christmas food and drink, and all the other things required over the Christmas period.
- christmas stocking — A Christmas stocking is a long sock which children hang up on Christmas Eve. During the night, parents fill the stocking with small presents.
- chromatic printing — printing from blocks or types inked with various colours
- chromatic semitone — the pitch difference between one note and its sharpened or flattened equivalent
- chromolithographer — One engaged in chromolithography.
- chromolithographic — Pertaining to, or made by, chromolithography.
- chronic alcoholism — long-term alcohol addiction
- chronostratigraphy — The branch of geology concerned with establishing the absolute ages of strata.
- chukchi-kamchatkan — Chukotian.
- church of scotland — the established church in Scotland, Calvinist in doctrine and Presbyterian in constitution
- 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.
- citizenship papers — the document stating that a naturalized person has been formally declared a citizen
- claustrophobically — In a claustrophobic way.
- clean as a whistle — If you describe something as clean as a whistle, you mean that it is completely clean.
- 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 scholarship — a scholarship for which only certain people, such as those from a particular school or with a particular surname, are eligible
- clothing allowance — an amount of money to compensate for the purchase of clothes for work, school, etc
- 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.
- collection charges — the charges levied to cover expenses for the collection of debt
- colour photography — the art or process of taking and developing photographs in colour
- 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
- come back to earth — to return to reality from a fantasy or daydream
- come the raw prawn — to attempt deception
- commander in chief — Also, Commander in Chief. the supreme commander of the armed forces of a nation or, sometimes, of several allied nations: The president is the Commander in Chief of the U.S. Army, Navy, and Air Force.
- commander-in-chief — A commander-in-chief is a senior officer who is in charge of all the forces in a particular area.
- commercial attache — an attaché in an embassy or legation representing the commercial interests of his or her country.
- commercial vehicle — a vehicle for carrying goods or (less commonly) passengers
- commodity exchange — an exchange where commodities are traded
- common-law husband — a man considered to be a woman's husband after the couple have cohabited for several years
- commonwealth games — an event held every four years in which sportspeople from the countries of the Commonwealth compete
- community hospital — (in the US) a local hospital
- comparative method — a body of procedures and criteria used by linguists to determine whether and how two or more languages are related and to reconstruct forms of their hypothetical parent language.
- comparison shopper — an employee of a retail store hired to visit competing stores in order to gather information regarding styles, quality, prices, etc., of merchandise offered by competitors.
- 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.
- connected subgraph — (mathematics) A connected graph consisting of a subset of the nodes and edges of some other graph.
- 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.
- contact inhibition — the cessation of movement, growth, and division in cells that touch each other.
- continental shield — any of the large, low-lying areas in the Earth's crust that are composed of Precambrian crystalline rocks