15-letter words containing a, i, o, n, d, e
- basse-normandie — a region of NW France, on the English Channel: consists of the Cherbourg peninsula in the west rising to the Normandy hills in the east; mainly agricultural
- bedloe's island — Liberty Island
- belladonna lily — a tropical bulbous plant (Amaryllis belladonna) of the lily family, grown for its large pink, white, or red flowers and native to S Africa
- benedict arnold — Benedict, 1741–1801, American general in the Revolutionary War who became a traitor.
- benzal chloride — a colorless, oily liquid, C 7 H 6 Cl 2 , used chiefly in the synthesis of benzaldehyde, and in the manufacture of dyes.
- bidirectionally — in a bidirectional manner
- bit-mapped font — a computer font whose characters are held in memory as series of dots.
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- body mass index — A person's body mass index is a measurement that represents the relationship between their weight and their height.
- borderline case — a person or thing that is not clearly classifiable as something
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- break-in period — a period during which certain restrictions or moderation in operating should be followed, as the avoidance of high speed, rapid acceleration, or severe braking for a new automobile.
- breeding season — the time of year during which animals breed
- bring to a head — to bring or be brought to a crisis
- bronze diabetes — hemochromatosis.
- cacodaemoniacal — Demonic; evil.
- cadmean victory — a victory won with great losses to the victors
- caisson disease — decompression sickness
- calendarization — the process of calendarizing
- calvin coolidge — Calvin, 1872–1933, 30th president of the U.S. 1923–29.
- canadian forces — the official name for the military forces of Canada
- canadian legion — a national social club for veterans of the Canadian armed services.
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- cardinal flower — a campanulaceous plant, Lobelia cardinalis of E North America, that has brilliant scarlet, pink, or white flowers
- cardinal vowels — a set of theoretical vowel sounds, based on the shape of the mouth needed to articulate them, that can be used to classify the vowel sounds of any speaker in any language
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- casement-window — a window sash opening on hinges that are generally attached to the upright side of its frame.
- celandine poppy — a poppy, Stylophorum diphyllum, of the east-central U.S., having one pair of deeply lobed leaves and yellow flowers.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- chenopodiaceous — belonging to the Chenopodiaceae, formerly the goosefoot family, now considered part of the amaranth family of plants.
- 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.
- chronic disease — long-term illness
- 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.
- cinematographed — a motion-picture projector.
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- 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
- codetermination — joint participation of management and employees or employees' trade union representatives in some decisions
- cognitive radio — a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
- common disaster — the death of an insured party and a beneficiary occurring at the same time in the same accident.
- completion date — (in Britain) the date on which the sale of a piece of property is final
- complicatedness — composed of elaborately interconnected parts; complex: complicated apparatus for measuring brain functions.
- computer dating — the use of computers by dating agencies to match their clients
- comrade in arms — a fellow soldier.
- comrade-in-arms — A comrade-in-arms is someone who has worked for the same cause or purpose as you and has shared the same difficulties and dangers.
- concession road — (esp in Ontario) one of a series of roads separating concessions in a township
- confidence game — A confidence game is the same as a confidence trick.
- confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- considerateness — showing kindly awareness or regard for another's feelings, circumstances, etc.: a very considerate critic.
- consideratively — in a considerative manner