16-letter words containing o, r, a, i
- mountain climber — someone who climbs or walks up mountains
- mourne mountains — a mountain range in SE Northern Ireland. Highest peak: Slieve Donard, 853 m (2798 ft)
- moving staircase — Also called moving staircase, moving stairway. a continuously moving stairway on an endless loop for carrying passengers up or down.
- multidirectional — extending or operating in several directions at the same time; functioning or going in more than one direction: a multidirectional stereo speaker system.
- multifariousness — (uncountable) The characteristic of being multifarious.
- multilinear form — a function or functional of several variables such that when all variables but one are held fixed, the function is linear in the remaining variable.
- multimillionaire — a person who possesses a fortune that amounts to many millions of dollars, francs, etc.
- multiple factors — polygene.
- multiprogramming — multitasking
- musical director — A musical director is the same as a music director.
- mutual recursion — recursion
- narcotics charge — a criminal charge or accusation concerning the use or dealing of illegal drugs
- narcotraffickers — Plural form of narcotrafficker.
- narcotrafficking — the buying and selling of illegal drugs.
- narrowmindedness — Alternative spelling of narrow-mindedness.
- nasal applicator — A nasal applicator is a device for administering medication through the nose.
- national charter — the principles or movement of a party of political reformers, chiefly workingmen, in England from 1838 to 1848: so called from the document (People's Charter or National Charter) that contained a statement of their principles and demands.
- national gallery — a major art gallery in London, in Trafalgar Square. Founded in 1824, it contains the largest collection of paintings in Britain
- national library — a library established and funded by a national government with the designation national, to serve the needs of this government, often to function as a library of record for the nation's publishing output, and in some cases to act as a central agency for library and bibliographic development in the nation.
- national lottery — the largest UK lottery organization
- national service — National service is service in the armed forces, which young people in certain countries have to do by law.
- natural religion — religion based on principles derived solely from reason and the study of nature.
- neo-christianity — any interpretation of Christianity based on the prevalent philosophy of a given period.
- neo-conservatism — (in the US) a right-wing tendency that originated amongst supporters of the political left and has become characterized by its support of hawkish foreign policies
- neoconservatives — Plural form of neoconservative.
- nephrocalcinosis — (medicine) The deposition of calcium salts in the renal parenchyma due to hyperparathyroidism.
- network analysis — a mathematical method of analyzing complex problems, as in transportation or project scheduling, by representing the problem as a network of lines and nodes.
- 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.
- new frontiersman — an advocate or follower of the New Frontier, especially one in public service.
- newspaper office — an office where the editorial and production staff of a newspaper work
- nibble mode dram — (storage) A standard DRAM where four successive bits can be clocked out of the single data line by successive pulses on the CAS\ line while RAS\ is active. A column address is only required for the first bit. This mode is now unfashionable but can be found on some older 64 kilobit and 256 kilobit chips.
- nine-days wonder — something that arouses great interest, but only for a short period
- nitrogen balance — the difference between the amount of nitrogen taken in and the amount excreted or lost: used to evaluate nutritional balance.
- 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 fixed address — Someone who is of no fixed address does not have a permanent place to live.
- no hard feelings — If you say ' no hard feelings', you are making an agreement with someone not to be angry or bitter about something.
- no-fault divorce — a divorce granted without anyone being found guilty of marital misconduct
- nomination paper — a document containing signatures guaranteeing the proposal of somebody as a candidate in an election
- non-apprehension — anticipation of adversity or misfortune; suspicion or fear of future trouble or evil.
- non-aristocratic — of or relating to government by an aristocracy.
- 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-conciliatory — tending to conciliate: a conciliatory manner; conciliatory comments.
- non-confirmation — the act of confirming.