15-letter words containing p, e, c, o
- cephalothoraxes — Plural form of cephalothorax.
- 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.
- channel hopping — (chat) To rapidly switch channels on IRC, or a GEnie chat board. This term may derive from the TV idiom, "channel surfing".
- channel-hopping — Channel-hopping means switching quickly between different television channels because you are looking for something interesting to watch.
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- check protector — checkwriter.
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chemolithotroph — Chemoautotroph.
- chemoprevention — the prevention of disease, esp cancer, by means of chemical agents
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chenopodiaceous — belonging to the Chenopodiaceae, formerly the goosefoot family, now considered part of the amaranth family of plants.
- chenopodium oil — a colorless or yellowish oil obtained from the seeds and leaves of Mexican tea, used chiefly in medicine as an agent for killing or expelling intestinal worms.
- chest protector — a protective pad worn over the chest by a catcher or umpire to shield the body from foul tips.
- chief inspector — an officer of high rank in British police forces
- chief of police — (in the US) the head of a regional or municipal police department
- chimney-pot hat — a high silk hat; top hat.
- 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
- chop and change — When people chop and change, they keep changing their minds about what to do or how to act.
- chopped almonds — almonds cut into small pieces
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- chorale prelude — a composition for organ using a chorale as a cantus firmus or as the basis for variations
- chromatographer — A person skilled in chromatography or who operates a chromatograph.
- chromium-plated — having been plated with chromium
- 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.
- cleptoparasites — Plural form of cleptoparasite.
- closed position — (in ballet, modern dance, and jazz dance) any position in which the feet touch each other.
- clouded leopard — a feline, Neofelis nebulosa, of SE Asia and Indonesia with a yellowish-brown coat marked with darker spots and blotches
- coachwhip snake — a slender nonvenomous snake, Masticophis flagellum, of the US
- college pudding — a baked or steamed suet pudding containing dried fruit and spice
- come out on top — If a person, organization, or country comes out on top, they are more successful than the others that they have been competing with.
- come up against — If you come up against a problem or difficulty, you are faced with it and have to deal with it.
- come up for air — rise to water's surface
- come up smiling — to recover cheerfully from misfortune
- commit to paper — to write down; record
- committeeperson — a member of a committee.
- common multiple — an integer or polynomial that is a multiple of each integer or polynomial in a group
- common property — property belonging to all members of a community.
- commonplaceness — The state or quality of being commonplace.
- communion plate — a flat plate held under the chin of a communicant in order to catch any fragments of the consecrated Host
- companion piece — a subsidiary object, esp a work of art or piece of writing, that accompanies another
- company manners — rules of politeness that people, esp children, are supposed to observe in the presence of other people