12-letter words containing o, u, l
- circumocular — surrounding the eye.
- circumvolute — To roll, curl or twist around.
- circumvolved — Simple past tense and past participle of circumvolve.
- cirrocumulus — a high cloud of ice crystals grouped into small separate globular masses, usually occurring above 6000 metres (20 000 feet)
- cirrus logic — (company) A manufacturer of integrated circuits including the Advanced RISC Machine and display interface processors and cards for use as Windows accelerators (requiring dedicated driver software).
- city council — a municipal body having legislative and administrative powers, such as passing ordinances and appropriating funds.
- cladocarpous — pleurocarpous.
- cladosporium — any of the species of fungi in the genus Cladosporium
- clamourously — Archaic spelling of clamorously.
- clangorously — In a clangorous manner; ringingly.
- claude monet — Claude [klawd;; French klohd] /klɔd;; French kloʊd/ (Show IPA), 1840–1926, French painter.
- claudication — limping; lameness
- claustration — the act of confining to a small space (usually a cloister)
- 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.
- close-hauled — with the sails flat, so as to sail as close to the wind as possible
- closed union — a labor union in which admission of new members is restricted by rigid requirements.
- closemouthed — not talking much; telling little; taciturn
- closet queen — a man who is homosexual but does not admit the fact
- 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
- cloud-capped — having clouds around the top
- cloudberries — Plural form of cloudberry.
- 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.
- coachbuilder — (historical) A builder of horse-drawn coaches.
- coal scuttle — A coal scuttle is a container for keeping coal in.
- coal-burning — fuelled by burning coal
- coconut milk — Coconut milk is the milky juice inside coconuts.
- coconut palm — A coconut palm is a tall tree on which coconuts grow.
- cocurricular — of or relating to a joint curriculum
- coleopterous — belonging to the order Coleoptera
- collembolous — of or relating to colembolans
- colliquation — liquefaction
- colliquative — capable of liquefaction or dissolution
- colloquially — characteristic of or appropriate to ordinary or familiar conversation rather than formal speech or writing; informal.
- colluctation — a struggle or conflict
- coloquintida — colocynth (defs 1, 2).
- 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.