12-letter words containing p, o, e, r
- cardioplegia — deliberate arrest of the action of the heart, as by hypothermia or the injection of chemicals, to enable complex heart surgery to be carried out
- cargo pocket — a large patch pocket, usually pleated at the sides and often having a flap.
- carpetmonger — a person who frequently visits women's boudoirs
- carpool lane — a lane of a major road or motorway that is reserved for vehicles with a minimum number of passengers, designed to encourage carpooling
- cartographer — A cartographer is a person whose job is drawing maps.
- cataphoreses — Plural form of cataphoresis.
- cataphoresis — electrophoresis
- catastrophes — Plural form of catastrophe.
- cattleperson — Someone who works with, or rears cattle.
- cefoperazone — A cephalosporin antibiotic.
- centrosphere — the portion of the centrosome surrounding the centriole; center of an aster
- cephalometer — an instrument for positioning the human head for X-ray examination in cephalometry
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- ceramography — the study, analysis, and preparation of ceramic microstructures, usually for industrial use
- ceratopsians — Plural form of ceratopsian.
- cerebropathy — A hypochondriacal condition verging upon insanity, occurring in those whose brains have been unduly taxed.
- ceroplastics — the art of wax modelling
- chairpersons — Plural form of chairperson.
- chalcopyrite — a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2
- channel port — one of the English or French ports on the English Channel
- chapter book — a children's book, typically a work of fiction, of moderate length and complexity, divided into chapters and intended for readers approximately seven to ten years old
- chapter room — a room for the use of the chapter of a religious institution
- chapter stop — any of several markers placed at intervals on a DVD film, enabling the viewer to find and select particular scenes
- chapterhouse — the building attached to a cathedral, collegiate church, or religious house in which the chapter meets
- chart topper — a singer, band or video that comes top in the charts
- cheesehopper — the larva of the cheese-fly, capable of a leaping movement using two claw-like mandibles which it also uses for digging
- chemotherapy — Chemotherapy is the treatment of disease using chemicals. It is often used in treating cancer.
- chemotrophic — any organism that oxidizes inorganic or organic compounds as its principal energy source.
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- childproofed — Simple past tense and past participle of childproof.
- chili powder — Chili powder is a very hot-tasting powder made mainly from dried chilies. It is used in cooking.
- chirographer — Alternative form of chirographist.
- chiropterans — Plural form of chiropteran.
- chlorapatite — (mineral) A variety of apatite containing chloride instead of fluoride.
- chlorophenol — any of three isomers having the formula C 6 H 5 ClO, derived from chlorine and phenol, used chiefly as intermediates in the manufacture of dyes.
- chlorophytes — Plural form of chlorophyte.
- chlorospinel — a variety of spinel used as a gem, colored grass-green by the presence of copper.
- chondrophore — a medusoid hydrozoan that resembles a jellyfish
- chopper tool — a core tool of flint or stone, with a transverse cutting edge, characteristic of cultures in Asia and parts of the Middle East and Europe
- chordophones — Plural form of chordophone.
- choregrapher — Alt form choreographer.
- choreographs — Third-person singular simple present indicative form of choreograph.
- choreography — Choreography is the inventing of steps and movements for ballets and other dances.
- chorographer — Someone who desscribes a particular region or country.
- chorus pedal — an electronic device that creates the effect of more than one sound from a single source by combining a short delay with slight deviations in pitch
- christophene — chayote.
- chromophores — Plural form of chromophore.
- chromosphere — a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun
- chronoscopes — Plural form of chronoscope.
- chrysophytes — Plural form of chrysophyte.