17-letter words containing t, r, u
- northcountrywoman — a female native or inhabitant of the North of England
- northern studfish — See under studfish.
- norwegian current — an ocean current formed from the terminus of the North Atlantic Current, flowing N along the Norwegian coast into the Barents Sea.
- not on your nelly — not under any circumstances; certainly not
- notebook computer — laptop, portable
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions
- nuclear deterrent — a country's nuclear weapons viewed as a deterrent to other countries from attacking
- nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
- nuclear scientist — a scientist who studies nuclear physics
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- number eight iron — a club with an iron head the face of which has more slope than a pitcher but less slope than a niblick.
- number eight wire — a standard gauge of fencing wire
- number three wood — spoon (def 5).
- numerical control — control of a machine tool, or other device used in a manufacturing process, by a computer, other control circuitry, or recorded digital commands.
- nursery education — education provided at a school for young children, usually from three to five years old
- nyquist frequency — (DSP) The highest frequency that can be represented in a digital signal of a specified sampling frequency. It is equal to one-half of the sampling rate. See Nyquist Theorem.
- odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
- odour of sanctity — sanctimoniousness
- oil of turpentine — a colorless, flammable, volatile essential oil having a penetrating odor and a pungent, bitter taste, obtained from turpentine oleoresin by distillation: used in paints and varnishes, and in medicine as a carminative, vermifuge, expectorant, rubefacient, and, formerly, as a diuretic.
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- on (or off) duty — at (or temporarily relieved from) one's work, duty, etc.
- on cruise control — If you say that someone is on cruise control in a contest, you mean that they are winning the contest easily and without needing to make a lot of effort.
- on-the-job injury — On-the-job injury is bodily harm that is caused while you are doing your job.
- opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
- opportunistically — adhering to a policy of opportunism; practicing opportunism.
- organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
- osculating circle — circle of curvature.
- out for the count — If someone is out for the count, they are unconscious or very deeply asleep.
- out of all reason — unreasonable
- out of harm's way — If someone or something is out of harm's way, they are in a safe place away from danger or from the possibility of being damaged.
- out of proportion — exaggerated, excessive
- out of this world — the earth or globe, considered as a planet.
- outline agreement — a contract, etc, setting out the preliminary terms or guidelines for an agreement; a preliminary agreement
- outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
- over-presumptuous — full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
- overconscientious — Excessively conscientious.
- overnight success — sth or sb suddenly popular
- palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
- parachute payment — a payment made to alleviate hardship resulting from a sudden loss of income
- parallel computer — parallel processor
- paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
- parents anonymous — (in Britain) an association of local voluntary self-help groups offering help through an anonymous telephone service to parents who fear they will injure their children, or who have other problems in managing their children
- particularization — to make particular.
- pasteur institute — an organization in Paris that was founded in 1887. It does research on micro-organisms and diseases
- pasteur treatment — Pasteur's method of preventing certain diseases, esp. rabies, by increasing the strength of successive inoculations with a specific weakened or attenuated virus
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- per procurationem — by one acting as an agent; by proxy.
- percussion bullet — a bullet that is exploded by percussion
- perforation gauge — a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
- period-revolution — 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.