12-letter words containing l, u, c, r
- class a drug — (in Britain) any of the most dangerous group of controlled drugs, including heroin, cocaine, and MDMA
- class b drug — (in Britain) any of the second most dangerous group of controlled drugs, including amphetamine
- class c drug — (in Britain) any of the least dangerous group of controlled drugs, including temazepam and cannabis
- claustration — the act of confining to a small space (usually a cloister)
- clear as mud — not at all clear
- clearcutting — the act of felling all trees in area
- clerodendrum — any of numerous tropical trees or shrubs of the genus Clerodendrum, having clusters of variously colored flowers.
- clickthrough — the act of clicking on an advertisement or other link to go to another website, especially a retail site: The store gets lots of clickthroughs from social media.
- clothesbrush — A brush for the clothes.
- cloture rule — a rule adopted by the United States Senate in 1917 that enables the breaking of a filibuster
- cloud banner — banner cloud.
- cloud forest — a forest, usually near coastal mountain peaks in tropical regions, that has an almost constant cloud cover, even during the dry season
- cloudberries — Plural form of cloudberry.
- club culture — the practice of protecting the reputation of one's workforce in the face of criticism, above all other considerations
- club fighter — a mediocre boxer who fights mostly on programs at small sporting clubs
- cluster area — a place where a concentration of a particular phenomenon is found
- cluster bomb — A cluster bomb is a type of bomb which is dropped from an aircraft. It contains a large number of smaller bombs that spread out before they hit the ground.
- cluster pack — a package containing a collection of related goods, sold as a single unit
- cluster pine — a pine tree, Pinus pinaster, having long thick needles and large clustered cones, native to the Mediterranean coastal regions.
- coachbuilder — (historical) A builder of horse-drawn coaches.
- coal-burning — fuelled by burning coal
- cocurricular — of or relating to a joint curriculum
- coleopterous — belonging to the order Coleoptera
- colorfulness — the quality of being colourful
- colour chart — a chart with samples of paint colours
- colour depth — bits per pixel
- colour guard — a military guard in a parade, ceremony, etc, that carries and escorts the flag or regimental colours
- colour index — the difference between the apparent magnitude of a star measured in one standard waveband and in a longer standard waveband, indicating its colour and temperature
- colour model — (graphics) Any system for representing colours as ordered sets of numbers. The most common colour models are RGB, CMYK, and HSB. There are several others, e.g. CMY, and the "Lab" system(?). See also: Pantone.
- colour phase — a seasonal change in the coloration of some animals
- colour slide — a colour transparency
- colour-blind — Someone who is colour-blind cannot see the difference between colours, especially between red and green.
- colour-coded — Things that are colour-coded use colours to represent different features or functions.
- colourations — Plural form of colouration.
- column dress — a very straight, close-fitting dress.
- columnarized — columnar (def 3).
- compulsatory — compulsory
- compulsories — Plural form of compulsory.
- compulsorily — required; mandatory; obligatory: compulsory education.
- computer law — a body of law arising out of the special conditions relating to the use of computers, as in computer crime or software copyright.
- computerless — having no computer
- computerlike — similar to a computer
- concurrently — occurring or existing simultaneously or side by side: concurrent attacks by land, sea, and air.
- concurringly — In a concurring manner; concurrently.
- conductorial — relating to a conductor
- confabulator — to converse informally; chat.
- configurable — to design or adapt to form a specific configuration or for some specific purpose: The planes are being configured to hold more passengers in each row.
- congratulant — expressing congratulation
- congratulate — If you congratulate someone, you say something to show you are pleased that something nice has happened to them.
- congruential — (mathematics) That uses congruency (division by a modulus).