13-letter words containing a, c, o, i
- chrestomathic — (of teaching or learning) That has a practical use.
- christmas box — a tip or present given at Christmas, esp to postmen, tradesmen, etc
- chromatically — In a chromatic manner.
- chromaticness — the attribute of colour that involves both hue and saturation
- chromatolysis — the dissolution of stained material, such as chromatin in injured cells
- chromatolytic — relating to chromatolysis
- chromatophile — Also, chromophilic, chromophilous [kroh-mof-uh-luh s] /kroʊˈmɒf ə ləs/ (Show IPA), chromatophilic, chromatophilous. staining readily.
- chromesthesia — (neurology, psychology) sound-to-color synaesthesia.
- chronographic — 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 — If things are described or shown in chronological order, they are described or shown in the order in which they happened.
- chthonophagia — (disease) A disease characterized by the impulsive consumption of dirt, observed in some parts of the southern United States as well as the West Indies.
- chylification — the process of turning into chyle
- chymification — the process of turning into chyme
- cicatrization — Physiology. to heal by inducing the formation of a cicatrix.
- ciceronianism — imitation of the style of Cicero, especially as practiced by some writers and orators during the Renaissance.
- cinchona bark — the dried bark of any of a cinchona tree, which yields quinine and other medicinal alkaloids
- cinchonaceous — relating to cinchona
- cinco de mayo — May 5, anniversary of the victory of Mexico over French forces at Puebla in 1862: observed by Mexicans and Mexican-Americans
- cinema goers' — filmgoer.
- cinematograph — a combined camera, printer, and projector
- cinnamon bear — a reddish-brown variety of the American black bear
- cinnamon fern — a large, New World fern (Osmunda cinnamomea, family Osmundaceae) having sterile green fronds and other fronds that bear spores and turn a cinnamon color as the spores mature
- cinnamon teal — a small, freshwater, wild duck, Anas cyanoptera, of North and South America, having chiefly cinnamon-red plumage.
- ciprofloxacin — a broad-spectrum antibiotic used against Gram-negative bacteria. It is effective against anthrax
- circuit board — A circuit board is the same as a printed circuit board.
- circumorbital — (anatomy) Around the eye.
- citation form — the spoken form a word has when produced in isolation, such as when cited for purposes of illustration, as distinguished from the form it would have when produced in the normal stream of speech.
- city dionysia — (in ancient Athens) the chief festival in honor of Dionysus, celebrated in early spring and notable for the performance of dithyrambs, tragedies, comedies, and satyr plays.
- city of david — Jerusalem. II Sam. 5:6–7.
- ciudad madero — city in Tamaulipas state, EC Mexico: suburb of Tampico: pop. 160,000
- civilisations — Plural form of civilisation.
- civilizations — Plural form of civilization.
- claim to fame — Someone's claim to fame is something quite important or interesting that they have done or that is connected with them.
- clair-obscure — chiaroscuro.
- clairvoyantly — In a clairvoyant way; by means of clairvoyance.
- clarification — to make (an idea, statement, etc.) clear or intelligible; to free from ambiguity.
- clarificatory — Of or pertaining to clarification.
- class society — a society in which class distinctions are influential
- clavichordist — Someone who plays the clavichord.
- claymore mine — an antipersonnel mine designed to produce a direction-guided, fan-shaped pattern of fragments.
- clear-coating — an automotive painting technique in which a coating of clear lacquer or other synthetic liquid is applied over the base color to enhance the shine and durability of the paint.
- clearing loan — a bank loan to finance the purchase of securities which is repayable within the calendar day on which it is made.
- clearinghouse — If an organization acts as a clearinghouse, it collects, sorts, and distributes specialized information.
- cleistogamous — having small, unopened, self-pollinating flowers, usually in addition to the showier flowers
- cleistothecia — (in certain ascomycetous fungi) a closed, globose ascocarp from which the ascospores are released only by its rupture or decay.
- cleptomaniacs — kleptomania.
- cliff swallow — an American swallow, Petrochelidon pyrrhonota, that has a square-tipped tail and builds nests of mud on cliffs, walls, etc
- climatic zone — any of the eight principal zones, roughly demarcated by lines of latitude, into which the earth can be divided on the basis of climate
- climatization — to acclimate to a new environment.
- climatography — an account of a region's climate