15-letter words containing a, c, o, n, i
- central locking — a system by which all the doors of a motor vehicle can be locked simultaneously when the driver's door is locked
- centrifugal box — a revolving chamber, used in the spinning of manufactured filaments, in which the plastic fibers, subjected to centrifugal force, are slightly twisted and emerge in the form of yarn wound into the shape of a hollow cylinder.
- ceylon cinnamon — the aromatic inner bark of any of several East Indian trees belonging to the genus Cinnamonum, of the laurel family, especially the bark of C. zeylanicum (Ceylon cinnamon) used as a spice, or that of C. loureirii (Saigon cinnamon) used in medicine as a cordial and carminative.
- chairpersonship — a person who presides over a meeting, committee, board, etc.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- channel hopping — (chat) To rapidly switch channels on IRC, or a GEnie chat board. This term may derive from the TV idiom, "channel surfing".
- channel-hopping — Channel-hopping means switching quickly between different television channels because you are looking for something interesting to watch.
- chao k'uang-yin — (Tʾai Tsu) 927–976 a.d, Chinese emperor 960–976: founder of the Sung dynasty.
- charles simonyi — (person) Microsoft programmer, most famously responsible for Hungarian Notation. Simonyi was born in Budapest in 1948, and for more than a decade was senior programmer at Microsoft in Redmond.
- charm offensive — If you say that someone has launched a charm offensive, you disapprove of the fact that they are being very friendly to their opponents or people who are causing problems for them.
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- chenopodiaceous — belonging to the Chenopodiaceae, formerly the goosefoot family, now considered part of the amaranth family of plants.
- chewing tobacco — tobacco, in the form of a plug, usually flavored, for chewing rather than smoking.
- chicken cholera — fowl cholera.
- chief constable — A Chief Constable is the officer who is in charge of the police force in a particular county or area in Britain.
- child abduction — the crime of removing a child from its rightful home
- chile con carne — chili con carne
- chili con carne — Chili con carne is a dish made from meat, with a thick sauce of tomatoes, and powdered or fresh chilies.
- chimney swallow — another name for common swallow
- chimney-pot hat — a high silk hat; top hat.
- chloramphenicol — a broad-spectrum antibiotic used esp in treating typhoid fever and rickettsial infections: obtained from the bacterium Streptomyces venezuelae or synthesized. Formula: C11H12N2O5Cl2
- cholangiectasis — Dilation of the bile ducts.
- cholangiography — radiographic examination of the bile ducts after the introduction into them of a contrast medium
- cholinergically — in a cholinergic manner
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- chorda tendinea — any of the tendons extending from the papillary muscles to the atrioventricular valves and preventing the valves from moving into the atria during ventricular contraction.
- chorioallantoic — relating to the chorioallantois
- chorioallantois — the membrane of a fetus that is formed by the merging of the allantois and the chorion
- choriocarcinoma — a cancer that occurs during pregnancy in the uterus
- chronic disease — long-term illness
- chronologically — arranged in the order of time: a chronological list of events.
- church slavonic — Old Church Slavonic, esp as preserved in the liturgical use of the Orthodox church
- cinderella book — (publication) "Introduction to Automata Theory, Languages, and Computation", by John Hopcroft and Jeffrey Ullman, (Addison-Wesley, 1979). So called because the cover depicts a girl (putatively Cinderella) sitting in front of a Rube Goldberg device and holding a rope coming out of it. On the back cover, the device is in shambles after she has (inevitably) pulled on the rope. See also book titles.
- cineangiography — the use of motion-picture recording to trace the passage of dye through blood vessels, for the diagnosis of heart and blood vessel disease
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
- cinematographic — a motion-picture projector.
- cinemicrography — the making of a film through the lens of a microscope
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- circularisation — Alternative spelling of circularization.
- circularization — to circulate (a letter, memorandum, etc.).
- circumforaneous — moving around or abroad; roaming from place to place
- circumnavigator — A person who circumnavigates; that is, sails around the world.
- circumvallation — surrounded by or as if by a rampart.
- city councilman — a member of a city council
- civilianization — the conversion from military to civilian status
- class inclusion — the relation between two classes in which all members of one class are included in the other, as in the proposition “All humans are animals.”.
- class-conscious — Someone who is class-conscious is very aware of the differences between the various classes of people in society, and often has a strong feeling of belonging to a particular class.
- classifications — Plural form of classification.