13-letter words containing a, n, o
- changing tone — cambiata.
- changing-note — cambiata.
- chaperoneship — State or position of chaperone.
- charing cross — a district of London, in the city of Westminster: the modern cross (1863) in front of Charing Cross railway station replaces the one erected by Edward I (1290), the last of twelve marking the route of the funeral procession of his queen, Eleanor
- charlottetown — a port in SE Canada, capital of the province of Prince Edward Island. Pop: 34 562 (2011)
- charnel house — A charnel house is a place where the bodies and bones of dead people are stored.
- chart-topping — very popular; coming top in the charts
- cheiromantist — A chiromancer.
- chemical bond — a mutual attraction between two atoms resulting from a redistribution of their outer electrons
- chemotaxonomy — the taxonomy of species of organisms based on biochemical characteristics
- chestnut coal — anthracite coal in sizes ranging from 1 3/16 to 1 5/8 inch (3 to 4 cm).
- chiloe island — an island administered by Chile, off the W coast of South America in the Pacific Ocean: timber. Pop: 154 775 (2002, Chiloé province). Area: 8394 sq km (3240 sq miles)
- chiromantical — Of or pertaining to chiromancy.
- chlamydomonas — a green, fresh water alga of the class Chlorophyceae that is flagellate and made up of a single cell
- chloroacetone — a colorless, lachrymatory, poisonous liquid, C 3 H 5 ClO, used chiefly in organic synthesis and in the manufacture of insecticides and perfumes.
- chloromethane — methyl chloride.
- cholangiogram — an X-ray of the bile duct performed after administering dye into the ducts that shows up on the X-ray
- chondromatous — a benign cartilaginous tumor or growth.
- chromaticness — the attribute of colour that involves both hue and saturation
- 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.
- chronotherapy — an endeavour to readjust the body clock to enable a person to waken earlier by going to sleep later and later every day until the required waking hour is achieved
- 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.
- chun doo hwan — born 1931, South Korean political leader: president 1980–88.
- 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
- 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.
- civilisations — Plural form of civilisation.
- civilizations — Plural form of civilization.
- clairvoyantly — In a clairvoyant way; by means of clairvoyance.
- clamorousness — The state or quality of being clamorous.
- clamp down on — a device, usually of some rigid material, for strengthening or supporting objects or fastening them together.
- clarification — to make (an idea, statement, etc.) clear or intelligible; to free from ambiguity.
- claymore mine — an antipersonnel mine designed to produce a direction-guided, fan-shaped pattern of fragments.
- cleaner tooth — a saw tooth for cleaning loose chips from a kerf.
- 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.