15-letter words containing o, p, t, i
- conscriptionist — a person who is in favour of conscription
- 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
- consumption tax — a tax, as a sales tax, levied on consumer goods or services at the time of sale.
- 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.
- contemplatively — given to or characterized by contemplation: a contemplative mind.
- contemporaneity — living or occurring during the same period of time; contemporary.
- contemptibility — The quality of being contemptible.
- 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.
- copy protection — a routine that is included in a program by its publisher to prevent the software from being duplicated except for a single backup copy.
- copyright block — a block of four or more U.S. stamps that includes, in the selvage of the sheet, the copyright mark of the U.S. Postal Service.
- 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
- corporate image — the way an organization is presented to or perceived by its members and the public
- corporation tax — Corporation tax is a tax that companies have to pay on the profits they make.
- corporatization — The privatization of a publicly-owned organization.
- corporification — an act or the quality of embodying
- corpus striatum — a striped mass of white and grey matter situated in front of the thalamus in each cerebral hemisphere
- correction tape — a tape that can be placed over a written or typed mistake, on which the correct form can be written or typed, thereby covering the mistake underneath
- corruptibleness — The state or quality of being corruptible.
- cosmopolitanism — free from local, provincial, or national ideas, prejudices, or attachments; at home all over the world.
- cosmopolitanize — to make cosmopolitan.
- cost of capital — The cost of capital is how much it costs to borrow money with interest or issue securities to raise money.
- cottage pudding — plain cake covered with a sweet sauce
- countercampaign — a campaign responding to another campaign
- counterpetition — a formal request for legal action submitted to a court by a respondent who has received a petition
- counterplotting — Present participle of counterplot.
- counterpointing — Present participle of counterpoint.
- counterpunching — Present participle of counterpunch.
- country bumpkin — an awkward, simple, rustic person
- county palatine — the lands of a count palatine
- courting couple — a pair of lovers
- cpu info center — (processor) An old website at the University of California at Berkeley describing many different computers and their performance.
- craftswomanship — The body of skills, techniques, and expertise of (a) feminine craft(s).
- critical period — a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards
- cross-pollinate — to subject or be subjected to cross-pollination
- crossing patrol — a person who holds up the traffic so that school children can cross the road safely
- crossopterygian — any bony fish of the subclass Crossopterygii, having fleshy limblike pectoral fins. The group, now mostly extinct, contains the ancestors of the amphibians
- cryoprecipitate — a precipitate obtained by controlled thawing of a previously frozen substance. Factor VIII, for treating haemophilia, is often obtained as a cryoprecipitate from frozen blood
- cryptographical — the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like. Compare cryptanalysis (def 2).
- cryptosporidium — any parasitic sporozoan protozoan of the genus Cryptosporidium, species of which are parasites of birds and animals and can be transmitted to humans, causing severe abdominal pain and diarrhoea (cryptosporidiosis)
- cryptozoologist — an expert in cryptozoology
- csk corporation — (company) The japanese company that owns CSK Software and Sega. CSK Corp. is the largest independent japanese software company.
- cushion capital — a capital, used in Byzantine, Romanesque, and Norman architecture, in the form of a bowl with a square top
- cut (up) didoes — to behave in mischievous or silly way
- cyclopentadiene — a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar: used in the manufacture of plastics and insecticides. Formula: C5H6
- cytophotometric — of or relating to cytophotometry
- cytoplasmically — by means of a cytoplasm
- daguerreotyping — Present participle of daguerreotype.