17-letter words containing a, c, o, u
- change one's tune — to alter one's attitude or tone of speech
- chart of accounts — A chart of accounts is a list of all the accounts used in a business to classify transactions or report balances.
- chateau cardboard — wine sold in a winebox
- chemical equation — a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product
- chemotherapeutics — chemotherapy.
- chincoteague pony — a wild pony found on certain islands off the Virginia coast, apparently descended from Moorish ponies shipwrecked in this vicinity in the 16th century.
- chocolate biscuit — a biscuit covered with chocolate
- chugach mountains — a coastal mountain range in S Alaska, extending W from the St. Elias Mountains. Highest peak, Mount Marcus Baker, 13,176 feet (4016 meters).
- church of england — The Church of England is the main church in England. It has the Queen as its head and it does not recognize the authority of the Pope.
- circular function — trigonometric function (def 1).
- circular velocity — the velocity at which a body must move in order to maintain an orbit at the outer edge of the earth's atmosphere.
- circumlocutionary — a roundabout or indirect way of speaking; the use of more words than necessary to express an idea.
- clairaut equation — a differential equation of the form y = xy prime; + f (y prime;).
- clare boothe luce — Clare Boothe, 1903–87, U.S. writer, politician, and diplomat.
- close punctuation — punctuation in which many commas, full stops, etc, are used
- cloud cuckoo land — an idealized, illusory domain of imagination; cloudland: the cloud-cuckoo-land of technicolor cartoon whimsy.
- cloud-cuckoo-land — If you say that someone is living in cloud-cuckoo-land, you are criticizing them because they think there are no problems and that things will happen exactly as they want them to, when this is obviously not the case.
- coastguard vessel — a ship used by the coastguard
- code of behaviour — the generally accepted rules governing how people behave
- code of hammurabi — a Babylonian legal code of the 18th century b.c. or earlier, instituted by Hammurabi and dealing with criminal and civil matters.
- coitus reservatus — the deliberate delaying or avoidance of orgasm during intercourse
- coldstream guards — a guard regiment of the English royal household: formed in Coldstream, Scotland, 1659–60, and instrumental in restoring the English monarchy under Charles II.
- coliform bacillus — any of several bacilli, especially Escherichia coli and members of the genus Aerobacter, found as commensals in the large intestine of humans and certain other animals, the presence of which in water indicates fecal pollution.
- collegiate church — a church that has an endowed chapter of canons and prebendaries attached to it but that is not a cathedral
- colloquialization — The process or result of making colloquial.
- color temperature — a temperature defined in terms of the temperature of a black body at which it emits light of a specified spectral distribution: used to specify the color of a light source.
- colour photograph — a photograph that is developed and printed in colour
- colour separation — the division of a coloured original into cyan, magenta, yellow, and black so that plates may be made for print reproduction. Separation may be achieved by electronic scanning or by photographic techniques using filters to isolate each colour
- colour subcarrier — a component of a colour television signal on which is modulated the colour or chrominance information
- columnar jointing — (in basaltic igneous rocks) a series of generally hexagonal columns formed by vertical joints as a result of contraction during cooling.
- common of turbary — (in England) the legal right to cut peat for fuel on a common
- communal marriage — group marriage.
- communication gap — a lack of communication
- communicativeness — inclined to communicate or impart; talkative: He isn't feeling very communicative today.
- commuter airplane — air taxi.
- commuter marriage — a marriage in which the partners live some distance apart most of the time, usually because of separate work commitments
- compilation album — a musical recording consisting of works chosen for a particular purpose or theme
- complement clause — a subordinate clause that functions as the subject, direct object, or prepositional object of a verb, as that you like it in I'm surprised that you like it.
- complete fracture — a bone fracture in which the bone is split completely across.
- complex conjugate — the complex number whose imaginary part is the negative of that of a given complex number, the real parts of both numbers being equal
- complex-conjugate — one of a group of conjugate words.
- compound fraction — complex fraction
- compound fracture — A compound fracture is a fracture in which the broken bone sticks through the skin.
- compound interval — an interval that is greater than an octave, as a ninth or a thirteenth.
- computer graphics — the use of a computer to produce and manipulate pictorial images on a video screen, as in animation techniques or the production of audiovisual aids
- computer language — programming language
- computer literacy — basic, nontechnical knowledge about computers and how to use them; familiarity and experience with computers, software, and computer systems.
- computer literate — basic, nontechnical knowledge about computers and how to use them; familiarity and experience with computers, software, and computer systems.
- computer terminal — a keyboard and computer monitor connected to a computer
- computer-literate — If someone is computer-literate, they have enough skill and knowledge to be able to use a computer.