15-letter words containing i, n, t, r, a, o
- pyrotechnically — in a pyrotechnical manner
- quadripartition — A division into four parts.
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- quality control — a system for verifying and maintaining a desired level of quality in an existing product or service by careful planning, use of proper equipment, continued inspection, and corrective action as required.
- quantity theory — a theory stating that the general price level varies directly with the quantity of money in circulation and the velocity with which it is circulated, and inversely with the volume of production expressed by the total number of money transactions
- quarter section — (in surveying and homesteading) a square tract of land, half a mile on each side, thus containing ¼ sq. mi. or 160 acres. Abbreviation: q.s.
- question master — quizmaster.
- quotation marks — one of the marks used to indicate the beginning and end of a quotation, in English usually shown as “ at the beginning and ” at the end, or, for a quotation within a quotation, of single marks of this kind, as “He said, ‘I will go.’ ” Frequently, especially in Great Britain, single marks are used instead of double, the latter being then used for a quotation within a quotation.
- racial minority — a group of a certain race that are in the minority compared to a larger group, the rest of the population, etc
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- 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.
- railway network — a system of intersecting rail routes
- railway station — train stop, railroad station
- raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
- rational number — a number that can be expressed exactly by a ratio of two integers.
- rationalization — to ascribe (one's acts, opinions, etc.) to causes that superficially seem reasonable and valid but that actually are unrelated to the true, possibly unconscious and often less creditable or agreeable causes.
- re-adjudication — an act of adjudicating.
- re-notification — a formal notifying or informing.
- re-presentation — the act of representing.
- reaccreditation — the act or process of reaccrediting something or someone
- reaction engine — an engine that produces power as a reaction to the momentum given to gases ejected from it, as a rocket or jet engine.
- reafforestation — replanting with trees
- reality fiction — a satirical parody of a reality TV show
- reapportionment — the act of redistributing or changing the apportionment of something.
- reappropriation — the act of appropriating.
- rear projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- rear-projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- reauthorization — the act or process of reauthorizing something
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- recertification — the act of certifying.
- recognizability — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- 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.
- recombinational — belonging or relating to recombination
- reconcentration — the act of concentrating again.
- reconceptualize — to form into a concept; make a concept of.
- reconcilability — capable of being reconciled.
- reconfiguration — to change the shape or formation of; remodel; restructure.
- 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.
- reconstitutable — to constitute again; reconstruct; recompose.
- recontamination — the act of contaminating, or of making something impure or unsuitable by contact with something unclean, bad, etc.
- recontextualize — to contextualize (something) again
- recreation area — public park
- recreation room — (in a home or public building) a room for informal entertaining, as for dancing, games, cards, etc.