13-letter words containing p, t, e, r, o
- chromatophore — a cell in the skin of frogs, chameleons, etc, in which pigment is concentrated or dispersed, causing the animal to change colour
- chromoprotein — any of a group of conjugated proteins, such as haemoglobin, in which the protein is joined to a coloured compound, such as a metal-containing porphyrin
- chromotherapy — the use of colour and light as a restorative therapy and to promote mental and physical well-being
- chronotherapy — an endeavour to readjust the body clock to enable a person to waken earlier by going to sleep later and later every day until the required waking hour is achieved
- chrysophilite — a person who loves gold
- chrysotherapy — gold therapy.
- cinematograph — a combined camera, printer, and projector
- claustrophobe — a person who suffers from claustrophobia.
- clothes-press — a piece of furniture for storing clothes, usually containing wide drawers and a cabinet
- cluster point — a point of a net having the property that the net is frequently in each neighborhood of the point.
- co-respondent — a person cited in divorce proceedings, who is alleged to have committed adultery with the respondent
- cogent prolog — (language) A full Edinburgh standard Prolog with debugger, listener, DCG, many built-ins, text windows, support for modules, and support for both 16-bit and 32-bit protected mode. Contact: Dennis C. Merritt.
- coin-operated — (of a machine) operated by the insertion of a coin
- collectorship — The rank or office of a collector of customs or other taxes.
- come to grips — to engage in hand-to-hand fighting
- come up short — disappoint
- company store — a retail store operated by a company for the convenience of the employees, who are required to buy from the store.
- comparatively — in a comparative manner
- compare notes — to exchange opinions
- compartimento — any of the 18 administrative districts into which Italy is divided.
- compartmental — divided into compartments: a compartmental office; a compartmental agency.
- compartmented — Divided into compartments.
- complementary — Complementary things are different from each other but make a good combination.
- completer set — a set of supplementary pieces that completes a set of dishes, as creamer, sugar bowl, platter, gravy boat, and vegetable dish.
- complexometry — a chemical technique using the formation of a colored complex to indicate the end of a titration.
- complimentary — If you are complimentary about something, you express admiration for it.
- comprehendeth — Archaic third-person singular form of comprehend.
- computer chip — a small integrated circuit of a kind used in computers
- computer disk — a computer data storage device such as a hard drive or floppy disk
- computer file — file
- computer game — A computer game is a game that you play on a computer or on a small portable piece of electronic equipment.
- computer geek — (jargon) (Or "turbo nerd", "turbo geek") One who eats (computer) bugs for a living. One who fulfils all the dreariest negative stereotypes about hackers: an asocial, malodourous, pasty-faced monomaniac with all the personality of a cheese grater. The term cannot be used by outsiders without implied insult to all hackers; compare black-on-black usage of "nigger". A computer geek may be either a fundamentally clueless individual or a proto-hacker in larval stage. See also Alpha Geek, propeller head, clustergeeking, geek out, wannabee, terminal junkie, spod, weenie.
- computer nerd — someone who is inordinately preoccupied with using computers, at the expense of ordinary social skills
- computerising — Present participle of computerise.
- computerizing — Present participle of computerize.
- computerphobe — a person with a strong fear or dislike of computers
- concert party — a musical entertainment popular in the early 20th century, esp one at a British seaside resort
- concert pitch — the frequency of 440 hertz assigned to the A above middle C
- concrete poet — a writer of concrete poetry.
- coniferophyte — (biology) conifer.
- conspiratress — a woman who conspires
- contact paper — Photography. sensitized paper on which a contact print is made.
- containerport — a shipping port specially equipped to handle containerized cargo
- containership — a ship specially designed or equipped for carrying containerized cargo
- contemplators — Plural form of contemplator.
- contemporised — to place in or regard as belonging to the same age or time.
- contemporized — Simple past tense and past participle of contemporize.
- contracepting — to prevent the conception of (offspring).
- contraception — Contraception refers to methods of preventing pregnancy.
- contraceptive — A contraceptive method or device is a method or a device which a woman uses to prevent herself from becoming pregnant.