15-letter words containing d, e, n, r
- canadian french — the French language as spoken in Canada, esp in Quebec
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- cardinal beetle — any of various large N temperate beetles of the family Pyrochroidae, such as Pyrochroa serraticornis, typically scarlet or partly scarlet in colour
- cardinal flower — a campanulaceous plant, Lobelia cardinalis of E North America, that has brilliant scarlet, pink, or white flowers
- cardinal number — A cardinal number is a number such as 1, 3, or 10 that tells you how many things there are in a group but not what order they are in. Compare ordinal number.
- cardinal spider — a large house spider, Tegenaria parietina
- cardinal system — a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.
- cardinal virtue — anything considered to be an important or characteristic virtue: Tenacity is his cardinal virtue.
- 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
- carding machine — card2 (defs 1, 2).
- cartesian diver — a glass vessel partially filled with water and covered with an airtight membrane, containing a hollow object that is open at the bottom and contains just enough air to allow it to float. Pressing on the membrane compresses the air in the vessel and forces water into the object, causing it to sink; releasing the membrane causes it to rise.
- 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.
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- cattle breeding — the science or business of breeding and raising cattle
- cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
- centipede grass — a slow-growing grass, Eremochloa ophiuroides, introduced into the U.S. from China and used for lawns in warm areas.
- central sudanic — a group of languages belonging to the Nilo-Saharan family, spoken in the northeastern Democratic Republic of the Congo, northern Uganda, southern Sudan, Chad, and the Central African Republic, and including Mangbetu.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- chandler wobble — a slight, irregular nutation of the earth's rotational axis with a period of c. 428 days
- character dance — a style of balletic folk dance that intends to give a sense of national character and color.
- charles dickens — Charles (John Huf·fam) [huhf-uh m] /ˈhʌf əm/ (Show IPA), ("Boz") 1812–70, English novelist.
- chesterfieldian — of or like Lord Chesterfield; suave; elegant; polished
- chicken-hearted — easily frightened; cowardly
- chicken-livered — timid; fearful; cowardly.
- child battering — child abuse in the form of battering
- child restraint — a device used to protect a child in a motor vehicle
- child-battering — the physical abuse of a child by a parent or guardian, as by beating.
- child-resistant — that resists being opened, tampered with, or damaged by a child; childproof: a child-resistant medicine cabinet.
- children of god — a highly disciplined, fundamentalist Christian sect, active especially in the early 1970s, whose mostly young converts live in communes.
- children's home — care institution for minors
- children's hour — a play (1934) by Lillian Hellman.
- chinese crested — a small dog of a Chinese breed having long slender legs and a hairless body with hair only on the feet, head, and tail
- chinese mustard — brown mustard.
- chinless wonder — a person, esp an upper-class one, lacking strength of character
- chondroskeleton — the cartilaginous part of the skeleton of vertebrates
- 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.
- christadelphian — a member of a Christian millenarian sect founded in the US about 1848, holding that only the just will enter eternal life, that the wicked will be annihilated, and that the ignorant, the unconverted, and infants will not be raised from the dead
- chromosome band — any of the transverse bands that appear on a chromosome after staining. The banding pattern is unique to each type of chromosome, allowing characterization
- chronic disease — long-term illness
- church calendar — ecclesiastical calendar (def 2).
- church-calendar — a calendar based on the lunisolar cycle, used by many Christian churches in determining the dates for the movable feasts.
- 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.
- cinematographed — a motion-picture projector.
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- circumnavigated — Simple past tense and past participle of circumnavigate.
- class president — the student president of a school or college class
- clearheadedness — The quality of being clearheaded.
- 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.