15-letter words containing t, a, e, r, i, n
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- processionalist — a member of a procession
- procrastinative — to defer action; delay: to procrastinate until an opportunity is lost.
- procreativeness — the quality of being procreative
- professionalist — to give a professional character or status to; make into or establish as a profession.
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- proletarization — to proletarianize.
- proper fraction — a fraction having the numerator less, or lower in degree, than the denominator.
- proportionately — proportioned; being in due proportion; proportional.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pulmobranchiate — possessing a pulmobranch
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- pyrotechnically — in a pyrotechnical manner
- 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
- quarantine flag — a yellow flag, designating the letter Q in the International Code of Signals: flown by itself to signify that a ship has no disease on board and requests a pratique, or flown with another flag to signify that there is disease on board ship.
- quarter binding — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
- 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.
- quarterfinalist — a participant in a quarterfinal contest.
- quasi-permanent — existing perpetually; everlasting, especially without significant change.
- question master — quizmaster.
- quincentenaries — Plural form of quincentenary.
- radiant heating — the means of heating objects or persons by radiation in which the intervening air is not heated.
- 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
- raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
- ram-air turbine — a small air-driven turbine fitted to an aircraft to provide power in the event of a failure of the normal systems
- ramjet (engine) — a jet engine, without moving parts, in which the air for oxidizing the fuel is continuously compressed by being rammed into the inlet by the high velocity of the aircraft
- rational number — a number that can be expressed exactly by a ratio of two integers.
- 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.
- reading the law — that part of the morning service on Sabbaths, festivals, and Mondays and Thursdays during which a passage is read from the Torah scrolls
- readvertisement — the act or process of advertising something again
- reafforestation — replanting with trees
- reality fiction — a satirical parody of a reality TV show
- reality testing — the objective evaluation of situations, defective in certain psychoses, that enable one to distinguish between the external and the internal worlds and between the self and the nonself.
- 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.