15-letter words containing o, r, n, i
- children's home — care institution for minors
- children's hour — a play (1934) by Lillian Hellman.
- 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.
- chinless wonder — a person, esp an upper-class one, lacking strength of character
- chloramphenicol — a broad-spectrum antibiotic used esp in treating typhoid fever and rickettsial infections: obtained from the bacterium Streptomyces venezuelae or synthesized. Formula: C11H12N2O5Cl2
- 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
- chorioretinitis — (medicine) An inflammation of the choroid and retina of the eye.
- chronic disease — long-term illness
- chronobiologist — A person who is involved in chronobiology.
- 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
- cinder concrete — concrete having small coal clinkers as an aggregate.
- 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
- circumincession — the reciprocal existence within the three members of the Trinity
- circumlocutions — Plural form of circumlocution.
- circumnavigator — A person who circumnavigates; that is, sails around the world.
- circumscription — the act of circumscribing or the state of being circumscribed
- circumvallation — surrounded by or as if by a rampart.
- circumvolutions — Plural form of circumvolution.
- climate control — air conditioning in a building or vehicle
- climb indicator — an instrument that shows the rate of ascent or descent of an aircraft, operating on a differential pressure principle.
- closed interval — an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1
- closed universe — (in cosmology) a hypothetical expanding universe that contains sufficient matter to reverse the observed expansion through its gravitational contraction.
- clotting factor — any one of a group of substances, including factor VIII, the presence of which in the blood is essential for blood clotting to occur
- codetermination — joint participation of management and employees or employees' trade union representatives in some decisions
- coffee whitener — a milk substitute to put in coffee
- cognitive radio — a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
- color blindness — inability to distinguish one or several chromatic colors, independent of the capacity for distinguishing light and shade.
- colourpoint cat — a cat with increased pigmentation of cooler points of the body, such as ears, feet, tail, nose, and scrotum (in males)
- combat neurosis — battle fatigue.
- combinatorially — in a combinatorial manner
- combined forces — the forces of two or more countries, fighting together
- comfort station — a public lavatory and rest room
- commercial bank — a bank primarily concerned with accepting demand deposits, used as checking accounts