15-letter words containing i, p, r
- cephalothoracic — the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
- cervical plexus — a network of nerves branching from the spinal nerves of the neck region and innervating the neck, chest, diaphragm, and part of the face.
- ceteris paribus — other things being equal
- 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.
- character piece — a short, simple piece, usually for piano, of a type developed chiefly during the 19th century, often of a descriptive or seemingly improvisatory character.
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- chemolithotroph — Chemoautotroph.
- chemoprevention — the prevention of disease, esp cancer, by means of chemical agents
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chief inspector — an officer of high rank in British police forces
- chile saltpeter — sodium nitrate, esp. as found naturally in Chile and Peru
- chile saltpetre — a naturally occurring form of sodium nitrate: a soluble white or colourless mineral occurring in arid regions, esp in Chile and Peru
- chinese juniper — a shrub or tree, Juniperus chinensis, of China, Mongolia, and Japan, having scalelike leaves and small, round, purplish-brown fruit.
- chinese parsley — coriander leaves used as an herb; cilantro
- chiropterophily — Pollination by bats.
- 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
- 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.
- circumscription — the act of circumscribing or the state of being circumscribed
- circumscriptive — That circumscribes or outlines.
- circumspectness — the quality of being circumspect
- 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
- committeeperson — a member of a committee.
- 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.