17-letter words containing i, o, t, a, s

national security — defence of a country
nationalist china — China, Republic of.
nationalistically — In a nationalistic manner.
natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
natural selection — the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.
naval air station — military airbase for the navy
navigation lights — lights on an aircraft
navigation system — A navigation system is an instrument that determines the position of a vehicle and the route to a particular place.
neo-malthusianism — a view or doctrine advocating population control, especially by contraception.
neo-scholasticism — a contemporary application of Scholasticism to modern problems and life.
neurofibromatosis — a dominantly inherited genetic disorder characterized by flat brown patches on the skin, neurofibromas of the skin and internal organs, and in some cases skeletal deformity.
neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
neurotransmission — the transmission of a nerve impulse across a synapse.
neurotransmissive — Relating to neurotransmission.
neurotransmitters — Plural form of neurotransmitter.
nitrogen narcosis — a semistupor, lightheadedness, or euphoria experienced by deep-sea divers when nitrogen from air enters the blood at higher than atmospheric pressure.
non-assignability — capable of being specified: The word has no assignable meaning in our language.
non-consideration — the act of considering; careful thought; meditation; deliberation: I will give your project full consideration.
non-controversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
non-demonstrative — characterized by or given to open exhibition or expression of one's emotions, attitudes, etc., especially of love or affection: She wished her fiancé were more demonstrative.
non-discretionary — subject or left to one's own discretion.
non-institutional — of, relating to, or established by institution.
non-instructional — the act or practice of instructing or teaching; education.
non-materialistic — excessively concerned with physical comforts or the acquisition of wealth and material possessions, rather than with spiritual, intellectual, or cultural values.
non-stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
non-subordination — the act of placing in a lower rank or position: The refusal to allow women to be educated was part of society's subordination of women to men.
non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
nonaccomplishment — Something that does not achieve the intended goal.
nonconstitutional — of or relating to the constitution of a state, organization, etc.
nondiscriminating — differentiating; analytical.
nondiscrimination — an act or instance of discriminating, or of making a distinction.
nondiscriminatory — characterized by or showing prejudicial treatment, especially as an indication of bias related to age, color, national origin, religion, sex, etc.: discriminatory practices in housing; a discriminatory tax.
nonrepresentative — a person or thing that represents another or others.
nonteaching staff — employees within an academic or vocational environment whose jobs do not involve teaching
nontrinitarianism — The religious belief that rejects the Christian concept of the trinity.
north lanarkshire — a council area of central Scotland: consists mainly of the NE part of the historical county of Lanarkshire; formerly (1974–96) part of Strathclyde Region: engineering and metalworking industries. Administrative centre: Motherwell. Pop: 321 820 (2003 est). Area: 1771 sq km (684 sq miles)
northern rhodesia — former name of Zambia.
not mince matters — to speak frankly
not one's idea of — not what one regards as (hard work, a holiday, etc)
nothing less than — You can use nothing less than to emphasize your next words, often indicating that something seems very surprising or important.
nursery education — education provided at a school for young children, usually from three to five years old
objectionableness — The quality of being objectionable.
observation tower — lookout, observation point
odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
odour of sanctity — sanctimoniousness
of its own accord — If something happens of its own accord, it seems to happen by itself, without anyone making it happen.
off-site facility — An off-site facility is a facility which is not at the main industrial or commercial site.
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.
old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
olympic mountains — a mountain range in NW Washington: part of the Coast Range. Highest peak: Mount Olympus, 2427 m (7965 ft)

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