15-letter words containing a, p, r, i
- cholangiography — radiographic examination of the bile ducts after the introduction into them of a contrast medium
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- 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
- christmas party — a party organized before Christmas, usually by a firm or organization
- chromatographic — (analytical chemistry) Of or pertaining to chromatography.
- chromium-plated — having been plated with chromium
- chryse planitia — a plain on Mars, the landing site of the Viking I spacecraft.
- cigarette paper — a piece of thin paper rolled around tobacco to form a cigarette
- ciliary process — one of the folds on the ciliary body, connected with the suspensory ligament of the crystalline lens.
- 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.
- class president — the student president of a school or college class
- claustrophobics — Plural form of claustrophobic.
- cleptoparasites — Plural form of cleptoparasite.
- clumber spaniel — a type of thickset spaniel having a broad heavy head
- colourpoint cat — a cat with increased pigmentation of cooler points of the body, such as ears, feet, tail, nose, and scrotum (in males)
- come up for air — rise to water's surface
- commit to paper — to write down; record
- communist party — (in non-Communist countries) a political party advocating Communism
- company officer — a captain or lieutenant serving in a company.
- comparativeness — of or relating to comparison.
- comparison test — a comparison of particular qualities or traits in two or more things in order to get a measurable assessment
- comparison-shop — to compare prices and quality of competing merchandise.
- competition car — a car that has been modified to compete in racing
- complementaries — forming a complement; completing.
- complementarily — In a complementary manner.
- complementarity — a state or system that involves complementary components
- complimentaries — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- complimentarily — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- compromise rail — a rail for linking rails having different sections.
- compromissorial — Relating to compromise.
- computer dating — the use of computers by dating agencies to match their clients
- computer-phobia — a person who distrusts or is intimidated by computers.
- computerisation — (chiefly, British) alternative spelling of computerization.
- computerization — to control, perform, process, or store (a system, operation, or information) by means of or in an electronic computer or computers.
- conception rate — the success rate of artificial insemination in agricultural animals, usually expressed as a percentage
- concert pianist — a person who earns a living from giving solo performances on the piano in front of audiences
- conservatorship — the legal status of a person appointed by a court to protect the interests of someone, such as a child, who is unable to manage his or her own affairs
- contact printer — an apparatus used for making contact prints, having a frame for holding printing paper and negatives together and a light source for making an exposure.
- contemporaneity — living or occurring during the same period of time; contemporary.
- contrapositives — (logic) Plural form of contrapositive.
- cooperativeness — working or acting together willingly for a common purpose or benefit.
- copper arsenite — a yellowish-green, water-insoluble, poisonous powder, CuHAsO 3 , used chiefly as a pigment and as an insecticide.
- corn-leaf aphid — a green aphid, Rhopalosiphum maidis, widely distributed in the U.S.: a pest of corn and other grasses.
- corn-root aphid — an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest.
- corpora striata — corpus striatum