15-letter words containing t, a, s, i
- national forest — forested land owned, maintained, and preserved by the U.S. government.
- national school — (in Ireland) a state primary school
- national status — the status of someone as regarding their citizenship of a country
- nationalisation — Act of taking formerly private assets into public or state ownership.
- natural english — Programming in normal, spoken English. [Sammet 1969, p.768].
- natural history — the sciences, as botany, mineralogy, or zoology, dealing with the study of all objects in nature: used especially in reference to the beginnings of these sciences in former times.
- natural justice — accepted moral principles
- natural realism — naive realism.
- natural science — a science or knowledge of objects or processes observable in nature, as biology or physics, as distinguished from the abstract or theoretical sciences, as mathematics or philosophy.
- natural varnish — a preparation consisting of resinous matter, as copal or lac, dissolved in an oil (oil varnish) or in alcohol (spirit varnish) or other volatile liquid. When applied to the surface of wood, metal, etc., it dries and leaves a hard, more or less glossy, usually transparent coating.
- natural virtues — (especially among the scholastics) any moral virtue of which humankind is capable, especially the cardinal virtues: justice, temperance, prudence, and fortitude.
- navigation acts — any of several acts of Parliament between 1651 and 1847 designed primarily to expand British trade and limit trade by British colonies with countries that were rivals of Great Britain.
- navigation laws — laws relating to navigation
- near as damn it — Some people say as near as damn it or as near as dammit to emphasize that what they have said is almost completely accurate, but not quite.
- nearsightedness — seeing distinctly at a short distance only; myopic.
- neat's-foot oil — a pale-yellow fixed oil made by boiling the feet and shinbones of cattle, used chiefly as a dressing for leather.
- negro spiritual — a type of religious song originating among Black slaves in the American South
- neighbor states — the states or countries next to another state or country
- neo-lutheranism — a movement begun in the 19th century in Germany and Scandinavia to revive the orthodox principles, beliefs, and practices of the Lutheran Church.
- neoconservatism — moderate political conservatism espoused or advocated by former liberals or socialists.
- neoconservative — moderate political conservatism espoused or advocated by former liberals or socialists.
- neoisolationism — a revival of isolationism arising from increased anti-Soviet and anti-European sentiment and a reluctance to involve the nation in further political and military commitments abroad.
- neomercantilism — an economic doctrine or policy during the early 20th century that set high tariffs and other import restrictions in order to protect domestic industries.
- nephrolithiasis — (pathology) presence of calculi in kidneys.
- net.personality — Someone who has made a name for him or herself on Usenet, through either longevity or attention-getting posts, but doesn't meet the other requirements of net.godhood.
- neurodermatitis — W Lichen simplex chronicus, a skin disorder characterized by chronic itching and scratching, resulting in thick, leathery, brownish skin.
- neuroplasticity — the capacity of the nervous system to develop new neuronal connections: research on neuroplasticity of the brain after injury.
- neuropsychiatry — the branch of medicine dealing with diseases involving the mind and nervous system.
- neutral density — black, white, or a shade of grey; a colourless tone
- neutral spirits — nonflavored alcohol of 95 percent, or 190 proof, obtained chiefly from grain or molasses or redistilled from brandy, rum, etc., used for blending with straight whiskies and in the making of gin, cordials, liqueurs, and the like.
- new hampshirite — of New Hampshire
- nicholas, saint — Saint ("Nicholas the Great") died a.d. 867, Italian ecclesiastic: pope 858–867.
- noise abatement — a set of strategies or techniques to reduce and control annoying or harmful noise in an environment
- noise generator — a device used in synthesizers to produce high-frequency sound effects
- nominalizations — Plural form of nominalization.
- non-a hepatitis — a form of viral hepatitis, not caused by the agents responsible for hepatitis A and hepatitis B, that is commonly transmitted by infected blood transfusions. The causative virus has been isolated
- non-acquisitive — tending or seeking to acquire and own, often greedily; eager to get wealth, possessions, etc.: our acquisitive impulses; acquisitive societies.
- non-association — an organization of people with a common purpose and having a formal structure.
- non-charismatic — of, having, or characteristic of charisma.
- non-contrastive — not contrastive.
- non-crystalline — of or like crystal; clear; transparent.
- non-egotistical — pertaining to or characterized by egotism.
- non-exhaustible — to drain of strength or energy, wear out, or fatigue greatly, as a person: I have exhausted myself working.
- non-feasibility — capable of being done, effected, or accomplished: a feasible plan.
- non-legislative — having the function of making laws: a legislative body.
- non-mechanistic — of or relating to the theory of mechanism or to mechanists.
- non-ministerial — pertaining to the ministry of religion, or to a minister or other member of the clergy.
- non-nationalism — spirit or aspirations common to the whole of a nation.
- non-ostentation — pretentious or conspicuous show, as of wealth or importance; display intended to impress others.
- non-rationalism — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.