16-letter words containing r, s, a
- christmas dinner — the main meal on Christmas day, eaten any time in the afternoon or evening
- christmas factor — a protein implicated in the process of blood clotting, the lack of which causes Christmas disease
- christmas hamper — a collection of seasonal delicacies, often housed in a wicker hamper, which people or organizations give as Christmas presents
- christmas island — an island in the Indian Ocean, south of Java: administered by Singapore (1900–58), now by Australia; phosphate mining. Pop: 1496 (2013 est). Area: 135 sq km (52 sq miles)
- christmas lights — strings of lights put up in the Christmas period to decorate houses
- chromatographies — Plural form of chromatography.
- chryselephantine — (of ancient Greek statues) made of or overlaid with gold and ivory
- churidar pyjamas — long tight-fitting trousers, worn by Indian men and women
- chuvash republic — a constituent republic of W central Russia, in the middle Volga valley: generally low-lying with undulating plains and large areas of forest. Capital: Cheboksary. Pop: 1 313 900 (2002). Area: 18 300 sq km (7064 sq miles)
- circuit calculus — (CIRCAL) A process algebra used to model and verify the design correctness of concurrent systems such as digital logic.
- circular measure — the measurement of an angle in radians
- circular sailing — a method of navigation in which the curvature of the earth is taken into consideration.
- circumstantially — of pertaining to, or derived from circumstances: a circumstantial result.
- circumstantiated — Simple past tense and past participle of circumstantiate.
- circumstantiates — Third-person singular simple present indicative form of circumstantiate.
- citizen's arrest — If someone makes a citizen's arrest, they catch someone who they believe has committed a crime and inform the police.
- citronella grass — a tropical Asian grass, Cymbopogon (or Andropogon) nardus, with bluish-green lemon-scented leaves
- clackmannanshire — a council area and historical county of central Scotland; became part of the Central region in 1975 but reinstated as an independent unitary authority in 1996; mainly agricultural. Administrative centre: Alloa. Pop: 47 680 (2003 est). Area: 142 sq km (55 sq miles)
- clarke's gazelle — dibatag.
- class background — a person's background with reference to social class
- clearance-papers — the act of clearing.
- clearsightedness — The property of being clearsighted.
- cloak-and-suiter — a manufacturer or seller of clothing.
- cloistered vault — a vault having the form of a number of intersecting coves.
- closing argument — In a court case, a lawyer's closing argument is their final speech, in which they give a summary of their case.
- cluster headache — a type of recurrent headache characterized by sudden onset and intense pain on one side of the face near the eye
- cluster variable — RR Lyrae star.
- coadministration — Joint administration.
- collaborationism — The act of collaborating, especially with an enemy.
- collaborationist — A collaborationist government or individual is one that helps or gives support to the enemy during the war.
- colles' fracture — a fracture of the radius just above the wrist, with backward and outward displacement of the hand
- colorado springs — a city and resort in central Colorado. Pop: 370 448 (2003 est)
- commensurability — The quality of being commensurable or commensurate.
- commensurateness — The state or quality of being commensurate.
- communitarianism — A theory or system of social organization based on small self-governing communities.
- compartmentalise — to divide into categories or compartments.
- compression wave — a shock wave that compresses the medium through which it is transmitted.
- concertina crash — a collision in which vehicle after vehicle hits the one ahead in a sequence of events triggered by the first car crash
- conciliatoriness — tending to conciliate: a conciliatory manner; conciliatory comments.
- condensed matter — crystalline and amorphous solids and liquids, including liquid crystals, glasses, polymers, and gels
- confederationism — The advocacy of confederation as a means of government.
- confederationist — A supporter of confederation.
- configurationism — Gestalt psychology
- confrontationist — a person who confronts opposition, especially aggressively.
- congo free state — a former name of the Democratic Republic of the Congo.
- congressionalist — of or relating to a congress.
- conservation law — any law stating that some quantity or property remains constant during and after an interaction or process, as conservation of charge or conservation of linear momentum.
- conservationists — Plural form of conservationist.
- conservative jew — a Jew who adheres for the most part to the principles and practices of traditional Judaism with the reservation that, taking into account contemporary conditions, certain modifications or rejections are permissible.
- conservativeness — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.