15-letter words containing r, e, d, i, n
- 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
- quadragenarians — Plural form of quadragenarian.
- quarter binding — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
- question period — a period of time set aside each day for members of parliament to question government ministers
- radiant heating — the means of heating objects or persons by radiation in which the intervening air is not heated.
- radio announcer — someone who broadcasts or presents radio programmes
- radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radiogoniometer — a device used to detect the direction of radio waves, consisting of a coil that is free to rotate within two fixed coils at right angles to each other
- radiogoniometry — the science of detecting the direction of radio waves
- radioprotection — protection against radiation
- radiosensitizer — a substance, as a drug, that enhances the sensitivity of tissues or cells to radiation therapy.
- radiotechnology — the technical application of any form of radiation to industry.
- random variable — a quantity that takes any of a set of values with specified probabilities.
- ranfurly shield — (in New Zealand) the premier rugby trophy, competed for annually by provincial teams
- ray-finned fish — any of various bony fishes of the subclass Actinopterygii, having strong slender rays, excluding the coelacanth and lungfish.