16-letter words containing is
- christmas beetle — any of various greenish-gold Australian scarab beetles of the genus Anoplognathus, which are common in summer
- christmas cactus — a Brazilian cactus, Schlumbergera (formerly Zygocactus) truncatus, widely cultivated as an ornamental for its showy red flowers
- 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
- church invisible — the entire body of Christian believers on earth and in heaven.
- chytridiomycosis — An infectious disease of amphibians caused by the chytrid fungus.
- cisaconitic acid — a stereoisomer of 1-propene-1,2,3 tricarboxylic acid, C 6 H 6 O 6 , an important intermediate in the Krebs cycle.
- clbuttic mistake — the humorous effect created by anti-obscenity filters that automatically replace offensive words in online articles with more acceptable variants
- cleansing tissue — a small piece of absorbent paper, used especially for removing cleansing cream and cosmetics and also serving as a disposable handkerchief.
- cloistered vault — a vault having the form of a number of intersecting coves.
- 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.
- collagen disease — any of a group of diseases, as systemic lupus erythematosus, polyarteritis, scleroderma, and rheumatoid arthritis, involving inflammation or degeneration of connective tissue and accompanied by deposition of fibrinous material.
- collectivisation — Alternative spelling of collectivization.
- collision course — If two or more people or things are on a collision course, there is likely to be a sudden and violent disagreement between them.
- color television — tv set showing images in colour
- commission agent — a person who sells goods and services for a fee
- commission house — a brokerage firm that buys and sells for customers on a commission basis
- commissionership — The role or office of commissioner.
- communitarianism — A theory or system of social organization based on small self-governing communities.
- compartmentalise — to divide into categories or compartments.
- complex analysis — the branch of mathematics dealing with analytic functions of a complex variable.
- compromise joint — a joint for linking together rails having different sections.
- 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.
- congressionalist — of or relating to a congress.
- consequentialism — the doctrine that an action is right or wrong according as its consequences are good or bad
- consequentialist — the theory that human actions derive their moral worth solely from their outcomes or consequences.
- conservationists — Plural form of conservationist.
- constitutionists — Plural form of constitutionist.
- constructionists — Plural form of constructionist.
- content analysis — analysis to determine the meaning, purpose, or effect of any type of communication, as literature, newspapers, or broadcasts, by studying and evaluating the details, innuendoes, and implications of the content, recurrent themes, etc.
- continental rise — the gently sloping transition between the continental slope and the deep ocean floor, usually characterized by coalescence of submarine alluvial fans.
- contrabassoonist — Someone who plays the contrabassoon.
- contractarianism — any of various theories that justify moral principles and political choices because they depend on a social contract involving certain ideal conditions, as lack of ignorance or uncertainty.
- controversialism — The attitude or tendency to engage in controversy.
- controversialist — a person who takes part in controversy or likes to do so
- conventionalised — to make conventional.
- conventionalists — Plural form of conventionalist.
- coping mechanism — something a person does to deal with a difficult situation
- cornet à pistons — a three-valved brass instrument of the trumpet family. Written range: about two and a half octaves upwards from E below middle C. It is a transposing instrument in B flat or A
- cornet-a-pistons — cornet (def 1).
- corona australis — a small faint constellation in the S hemisphere between Ara and Pavo
- corona discharge — an electrical discharge appearing on and around the surface of a charged conductor, caused by ionization of the surrounding gas