16-letter words containing a, u, n, i
- natural immunity — immunity that is present without prior immunization.
- natural religion — religion based on principles derived solely from reason and the study of nature.
- naturalistically — imitating nature or the usual natural surroundings.
- nature-identical — manufactured to be identical to a natural substance
- nautical almanac — a year book containing tidal and astronomical information for navigators
- neo-confucianist — of or relating to neo-Confucians or neo-Confucianism.
- neurasthenically — In a neurasthenic way.
- neuroepithelioma — Neurocytoma.
- neurohypophysial — Relating to the neurohypophysis.
- neuropathologies — the pathology of the nervous system.
- neuropathologist — A specialist who practices neuropathology.
- neuropsychiatric — Of or pertaining to neuropsychiatry; simultaneously neurological and psychiatric.
- neurotransmitter — any of several chemical substances, as epinephrine or acetylcholine, that transmit nerve impulses across a synapse to a postsynaptic element, as another nerve, muscle, or gland.
- nguyen van thieu — Nguyen Van [ngoo-yen vahn,, noo-] /ˈŋuˈyɛn vɑn,, ˈnu-/ (Show IPA), 1923–2001, South Vietnamese political leader: president 1967–75.
- nicholas of cusa — 1401–64, German cardinal, philosopher, and mathematician: anticipated Copernicus in asserting that the earth revolves around the sun
- nicoya peninsula — a peninsula in NW Costa Rica, on the Pacific Ocean.
- nitrogen mustard — any of the class of poisonous, blistering compounds, as C 5 H 1 1 Cl 2 N, analogous in composition to mustard gas but containing nitrogen instead of sulfur: used in the treatment of cancer and similar diseases; mechlorethamine.
- nitrous bacteria — bacteria that convert ammonia to nitrites in the soil
- no-fault divorce — a divorce granted without anyone being found guilty of marital misconduct
- no-win situation — choice between negative outcomes
- non-accumulative — tending to accumulate or arising from accumulation; cumulative.
- non-attributable — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- non-bureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
- non-consummation — the act of consummating; completion.
- non-illumination — an act or instance of illuminating.
- non-instrumental — serving or acting as an instrument or means; useful; helpful.
- non-naturalistic — imitating nature or the usual natural surroundings.
- non-quantifiable — to determine, indicate, or express the quantity of.
- non-remuneration — the act of remunerating.
- non-remunerative — affording remuneration; profitable: remunerative work.
- nonarchitectural — Not architectural.
- nonauthoritarian — Not authoritarian.
- noncommunication — Absence of communication; failure to communicate.
- noncommunicative — inclined to communicate or impart; talkative: He isn't feeling very communicative today.
- nonfinite clause — a clause with a nonfinite verb or with no verb, as the hour being late in The hour being late, we left.
- noninstitutional — Not institutional; not having the usual characteristics of an institution.
- nonmanufacturing — (economics) Outside of the manufacturing sector.
- norodom sihanouk — Prince Norodom [nawr-uh-dom,, -duh m] /ˈnɔr əˌdɒm,, -dəm/ (Show IPA), 1922–2004, Cambodian statesman: premier 1952–60; chief of state 1960–70 and 1975–76.
- norwegian buhund — a slightly-built medium-sized dog of a breed with erect pointed ears and a short thick tail carried curled over its back
- nuclear emulsion — a photographic emulsion in the form of a thick block, used to record the tracks of elementary particles.
- nuclear industry — the industry involving nuclear weapons, nuclear power stations, etc
- nuclear medicine — diagnostic and therapeutic medical techniques using radionuclides or radioisotopes.
- nuclear reaction — reaction (def 8).
- nucleating agent — a substance used to seed clouds to control rainfall and fog formation
- nucleophilically — In a nucleophilic manner.
- nuncupative will — a will made by the oral and unwritten declaration of the testator, valid only in special circumstances.
- nusslein-volhard — Christiane [kris-tee-ah-nuh,, kris-tyah-] /ˌkrɪs tiˈɑ nə,, krɪsˈtyɑ-/ (Show IPA), born 1942, German biologist: Nobel prize 1995.
- nutcracker suite — a ballet and concert suite (1892) arranged by Peter Ilyich Tchaikovsky from his orchestral work for a ballet, The Nutcracker.
- oblique triangle — any triangle that does not have a right angle (contrasted with right triangle).
- oblique zenithal — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it between the poles and the equator