17-letter words containing r, i, l, n
- carbon disulphide — a colourless slightly soluble volatile flammable poisonous liquid commonly having a disagreeable odour due to the presence of impurities: used as an organic solvent and in the manufacture of rayon and carbon tetrachloride. Formula: CS2
- carbonyl chloride — phosgene
- carboxyhemoglobin — a compound formed in the blood when carbon monoxide occupies the positions on the hemoglobin molecule normally taken by oxygen, resulting in cellular oxygen starvation
- cardinal grosbeak — any of various mostly tropical American buntings, such as the cardinal and pyrrhuloxia, the males of which have brightly coloured plumage
- carolina allspice — any of a genus (Calycanthus) of hardy shrubs (family Calycanthaceae) of a dicotyledonous order (Laurales) of plants, bearing reddish-brown, sweet-smelling flowers
- carolina moonseed — a twining woody vine, Cocculus carolinus, of the southeastern U.S., having inconspicuous flowers and showy, red fruit.
- carolina parakeet — an extinct New World parakeet, Conuropsis carolinensis, that ranged into the northern U.S., having yellowish-green plumage with an orange-yellow head.
- castle in the air — a hope or desire unlikely to be realized; daydream
- cathedral ceiling — a high ceiling formed by or suggesting an open-timbered roof.
- cavalier servente — a lover; suitor.
- celebrity wedding — a wedding of famous people, usually reported at length in celebrity magazines
- celestial horizon — the line or circle that forms the apparent boundary between earth and sky.
- cellulose nitrate — a compound made by treating cellulose with nitric and sulphuric acids, used in plastics, lacquers, and explosives: a nitrogen-containing ester of cellulose
- cellulose varnish — a varnish made from cellulose nitrate, used as a protective sealing film
- central committee — (in Communist parties) the body responsible for party policy between meetings of the party congress: in practice, it is in charge of day-to-day operations of the party bureaucracy
- centrifugal brake — a safety mechanism on a hoist, crane, etc, that consists of revolving brake shoes that are driven outwards by centrifugal force into contact with a fixed brake drum when the rope drum revolves at excessive speed
- centrifugal force — In physics, centrifugal force is the force that makes objects move outwards when they are spinning around something or travelling in a curve.
- centripetal force — a force that acts inwards on any body that rotates or moves along a curved path and is directed towards the centre of curvature of the path or the axis of rotation
- cerebral accident — a disturbance of the blood supply to parts of the brain because of blockage or hemorrhage, causing unconsciousness, paralysis, etc.; stroke
- charles lindbergh — Anne (Spencer) Morrow, 1906–2001, U.S. writer (wife of Charles Augustus Lindbergh).
- chelsea pensioner — an old ex-soldier resident in the Chelsea Royal Hospital
- chemical engineer — A chemical engineer is a person who designs and constructs the machines needed for industrial chemical processes.
- chemical reaction — a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei
- child pornography — pornography using a child or children as the subject.
- chiltern hundreds — (in Britain) short for Stewardship of the Chiltern Hundreds; a nominal office that an MP applies for in order to resign his seat
- china grass cloth — grass cloth.
- chinagraph pencil — a coloured pencil used for writing on china, glass, etc
- chinese vermilion — pimento (def 3).
- chlortetracycline — an antibiotic used in treating many bacterial and rickettsial infections: obtained from the bacterium Streptomyces aureofaciens. Formula: C22H23ClN2O8
- chronographically — a timepiece fitted with a recording device, as a stylus and rotating drum, used to mark the exact instant of an occurrence, especially in astronomy.
- chronological age — the number of years a person has lived, especially when used as a standard against which to measure behavior, intelligence, etc.
- circassian walnut — the hard, heavy, brown or purplish wood of the English walnut
- circle the wagons — to take defensive action; prepare for an attack: from arranging a wagon train in a circular formation
- circular function — trigonometric function (def 1).
- circular triangle — a triangle in which each side is the arc of a circle
- circumlocutionary — a roundabout or indirect way of speaking; the use of more words than necessary to express an idea.
- circumstantiality — the quality of being circumstantial
- ciudad del carmen — a city in SE Mexico, on the Gulf of Campeche.
- civil engineering — Civil engineering is the planning, design, and building of roads, bridges, harbours, and public buildings.
- civil libertarian — a person who actively supports or works for the protection or expansion of civil liberties.
- civil partnership — A civil partnership is a legal relationship between two people of the same sex that is similar to marriage.
- clairaut equation — a differential equation of the form y = xy prime; + f (y prime;).
- clear box testing — white box testing
- clicks and mortar — making use of traditional trading methods in conjunction with internet trading
- clicks-and-mortar — pertaining to or denoting a company that does business on the Internet and in traditional stores or offices.
- clifden nonpareil — a handsome nocturnal moth, Catocala fraxini, that is brown with bluish patches on the hindwings: related to the red underwing
- clipperton island — an uninhabited atoll in the E Pacific SW of Mexico, under French administration. Area: 6 sq km (2.3 sq miles)
- close corporation — a small private limited company
- close parenthesis — right parenthesis
- club subscription — an amount of money that someone pays regularly in order to belong to a club