15-letter words containing l, e, s, i
- muslim calendar — the lunar calendar used by Muslims and reckoned from a.d. 622: the calendar year consists of 354 days and contains 12 months: Moharram, Safar, Rabi I, Rabi II, Jumada I, Jumada II, Rajab, Shaban, Ramadan, Shawwal, Dhu ʾl-Qaʿda, and Dhu ʾl-hijjah. In leap years the month Dhu ʾl-hijjah contains one extra day.
- myelodysplastic — (medicine) Of, pertaining to, or showing evidence of myelodysplasia.
- naismith's rule — a rule of thumb for calculating the time needed for a climbing expedition, allowing 1 hour for every 3 miles of distance plus 1 hour for every 2000 feet of height
- name resolution — (networking) The process of mapping a name into its corresponding address. The Domain Name System is the system which does name resolution on the Internet.
- nanocrystalline — Of, pertaining to, or composed of nanocrystals.
- napoleonic wars — French-led war in early 19th century
- national forest — forested land owned, maintained, and preserved by the U.S. government.
- natural english — Programming in normal, spoken English. [Sammet 1969, p.768].
- 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 virtues — (especially among the scholastics) any moral virtue of which humankind is capable, especially the cardinal virtues: justice, temperance, prudence, and fortitude.
- 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.
- necrobacillosis — any disease of cattle, horses, sheep, and swine marked by necrotic areas in which a bacillus, Fusobacterium necrophorum, is found.
- negro spiritual — a type of religious song originating among Black slaves in the American South
- neighbourliness — Standard spelling of neighborliness.
- neo-hegelianism — Hegelianism as modified by various philosophers of the latter half of the 19th century.
- 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.
- 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.
- nephrosclerosis — (pathology) arteriosclerosis of the renal arteries.
- 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.
- neurolinguistic — pertaining to neurolinguistics
- neurophysiology — the branch of physiology dealing with the functions of the nervous system.
- neuroplasticity — the capacity of the nervous system to develop new neuronal connections: research on neuroplasticity of the brain after injury.
- 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.
- nicholas ridley — Nicholas, c1500–55, English bishop, reformer, and martyr.
- nigger minstrel — a performer who puts on blackface (exaggerated negro-like make-up) usually to perform songs associated with the American South
- night blindness — a condition of the eyes in which vision is normal in daylight but abnormally poor at night or in a dim light; nyctalopia.
- nil desperandum — never despair
- nitriding steel — any steel suitable for casehardening by nitriding.
- no time to lose — If you say there is no time to lose or no time to be lost, you mean you must hurry as fast as you can to do something.
- noblesse oblige — the moral obligation of those of high birth, powerful social position, etc., to act with honor, kindliness, generosity, etc.
- noise pollution — unwanted or harmful noise, as from automobiles, airplanes, or industrial workplaces.
- non combustible — not flammable.
- non-adversarial — a person, group, or force that opposes or attacks; opponent; enemy; foe.
- non-combustible — not flammable.
- 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-falsifiable — to make false or incorrect, especially so as to deceive: to falsify income-tax reports.
- non-feasibility — capable of being done, effected, or accomplished: a feasible plan.
- non-legislative — having the function of making laws: a legislative body.
- non-ministerial — pertaining to the ministry of religion, or to a minister or other member of the clergy.
- non-putrescible — liable to become putrid.
- non-residential — of or relating to residence or to residences: a residential requirement for a doctorate.
- non-responsible — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- non-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.