15-letter words containing p, e, r, n, d, i
- penetration aid — a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
- perfect binding — a technique for binding books by a machine that cuts off the backs of the sections and glues the leaves to a cloth or paper backing.
- period-rotation — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- periodic motion — any motion that recurs in identical forms at equal intervals of time.
- peroxide blonde — You can refer to a woman whose hair has been artificially been made lighter in colour as a peroxide blonde, especially when you want to show that you disapprove of this, or that you think her hair looks unnatural or unattractive.
- perpendicularly — vertical; straight up and down; upright.
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- phenazopyridine — a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.
- phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
- piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.
- plumbers-friend — Machinery. a pistonlike reciprocating part moving within the cylinder of a pump or hydraulic device.
- pneumatic drill — a percussive power drill powered by compressed air
- polychlorinated — having multiple chlorine atoms
- post-depression — the act of depressing.
- post-tridentine — of or relating to the city of Trent.
- powder magazine — a compartment for the storage of ammunition and explosives.
- prairie-dogging — (in an open-plan office) the practice of looking over the top of one's partition in order to discover the source of or reason for a commotion
- pre-advertising — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- pre-delinquency — failure in or neglect of duty or obligation; dereliction; default: delinquency in payment of dues.
- pre-deprivation — the act of depriving.
- predeterminable — able to be predetermined; able to be determined in advance
- prejudicialness — the trait of being prejudicial
- prekindergarten — a school or class for young children between the ages of four and six years.
- premier danseur — the leading male dancer in a ballet company.
- premodification — an act or instance of modifying.
- prepaid expense — A prepaid expense is an expense that has been paid for before it is incurred, and that is treated as an asset.
- prepresidential — describing the period before a person's rise to presidency
- president-elect — a president after election but before induction into office.
- presidents' day — the third Monday in February, a legal holiday in the U.S., commemorating the birthdays of George Washington and Abraham Lincoln.
- prince's island — former name of Príncipe.
- principal ideal — the smallest ideal containing a given element in a ring; an ideal in a ring with a multiplicative identity, obtained by multiplying each element of the ring by one specified element.
- printed circuit — a circuit in which the interconnecting conductors and some of the circuit components have been printed, etched, etc., onto a sheet or board of dielectric material (PC board, printed-circuit board)
- printer's devil — devil (def 5).
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
- production line — an arrangement of machines or sequence of operations involved with a single manufacturing operation or production process. Compare assembly line, line1 (def 29).
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- propylhexedrine — a colorless, adrenergic, water-soluble liquid, C 1 0 H 2 N, used by inhalation as a nasal decongestant.
- protonephridium — a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore
- pseudepigraphon — any book of the Pseudepigrapha
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pseudoephedrine — a dextrorotatory, isomeric compound, C 1 0 H 1 5 NO, used as a nasal decongestant.
- pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.
- public defender — a lawyer appointed or elected by a city or county as a full-time, official defender to represent indigents in criminal cases at public expense.
- pure and simple — sheer, utter
- purified cotton — bleached and sterilized cotton from which the gross impurities, such as the seeds and waxy matter, have been removed: used for surgical dressings, tampons, etc
- pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- question period — a period of time set aside each day for members of parliament to question government ministers