15-letter words containing n, o, r, a, i, d
- pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
- 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.
- 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.
- 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.
- phonocardiogram — the graphic record produced by a phonocardiograph.
- piano accordion — accordion (def 1).
- 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.
- polychlorinated — having multiple chlorine atoms
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- postirradiation — occurring after or due to irradiation
- 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-deprivation — the act of depriving.
- premodification — an act or instance of modifying.
- 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
- profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
- program trading — trading on international stock exchanges using a computer program to exploit differences between stock index futures and actual share prices on world equity markets
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- promotion board — group that markets or advertises sth
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- 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.
- quadripartition — A division into four parts.
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- rack-and-pinion — of or relating to a mechanism in which a rack engages a pinion: rack-and-pinion steering.
- radio announcer — someone who broadcasts or presents radio programmes
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- 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
- radioimmunology — the study of biological substances or processes with the aid of antigens or antibodies labeled with a radioactive isotope.
- 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 sampling — a method of selecting a sample (random sample) from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.
- random variable — a quantity that takes any of a set of values with specified probabilities.
- re-adjudication — an act of adjudicating.
- reaccreditation — the act or process of reaccrediting something or someone
- read oneself in — to assume possession of a benefice by publicly reading the Thirty-nine Articles
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- reconsideration — to consider again, especially with a view to change of decision or action: to reconsider a refusal.
- reconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- record-breaking — top, most successful
- recording angel — an angel who supposedly keeps a record of every person's good and bad acts
- redemonstration — the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration.