16-letter words containing o, n, t, a, s

noncontroversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
nondiscretionary — subject or left to one's own discretion.
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.
nontransmissible — Not transmissible.
nontransmittable — Not transmittable.
north charleston — a city in SE South Carolina.
north massapequa — a city on S Long Island, in SE New York.
north vietnamese — relating to North Vietnam or its people
northamptonshire — a county in central England. 914 sq. mi. (2365 sq. km).
not by any means — in no way, by no method
not in the least — smallest in size, amount, degree, etc.; slightest: He gave the least amount of money of anyone.
not miss a trick — to be very alert
not the faintest — no idea whatsoever
not worth a shit — useless, valueless, etc.
obsequent stream — a stream flowing in a direction opposite to that of the dip of the local strata.
observation deck — an area on a high building that is surrounded with railings or fencing and which provides panoramic views
observation post — a forward position, often on high ground, from which enemy activity can be observed and, particularly, from which artillery or mortar fire can be directed.
observation ward — a ward in a hospital where patients are monitored
observationalist — One who relies on empirical observations.
observationality — The property of being observational.
occasional table — a small table with no regular use
odds are against — If you say that the odds are against something or someone, you mean that they are unlikely to succeed.
ohmic resistance — resistance (def 3a).
oil installation — a facility or place where petroleum is extracted for industrial purposes
oil storage tank — a very large industrial container where petroleum is stored
on a trial basis — for the purpose of assessment
on its last legs — about to fail
on the beam-ends — tipping so far to the side as to be in danger of capsizing
on the safe side — as a precaution
on the same page — one side of a leaf of something printed or written, as a book, manuscript, or letter.
on the scrapheap — (of people or things) having outlived their usefulness
one and the same — When two or more people or things are thought to be separate and you say that they are one and the same, you mean that they are in fact one single person or thing.
one's cup of tea — the dried and prepared leaves of a shrub, Camellia sinensis, from which a somewhat bitter, aromatic beverage is prepared by infusion in hot water.
one-party system — a political system in which only one party is allowed
online thesaurus — a thesaurus or dictionary of words with the same or nearly the same meanings, or synonyms, and their opposites, or antonyms, such as Thesaurus.com, available on the Internet or the World Wide Web, accessed through a web browser, and used by entering a query term into a search box on the site. An online thesaurus provides immediate electronic access to lists of alternate terms for the queried word, covering its various shades of meaning: This online thesaurus showed me that smart, as an adjective, not only means intelligent, but also stylish, or lively, and gave long lists of other words for each meaning.
open parenthesis — left parenthesis
operating system — (operating system) (OS) The low-level software which handles the interface to peripheral hardware, schedules tasks, allocates storage, and presents a default interface to the user when no application program is running. The OS may be split into a kernel which is always present and various system programs which use facilities provided by the kernel to perform higher-level house-keeping tasks, often acting as servers in a client-server relationship. Some would include a graphical user interface and window system as part of the OS, others would not. The operating system loader, BIOS, or other firmware required at boot time or when installing the operating system would generally not be considered part of the operating system, though this distinction is unclear in the case of a rommable operating system such as RISC OS. The facilities an operating system provides and its general design philosophy exert an extremely strong influence on programming style and on the technical cultures that grow up around the machines on which it runs. Example operating systems include 386BSD, AIX, AOS, Amoeba, Angel, Artemis microkernel, BeOS, Brazil, COS, CP/M, CTSS, Chorus, DACNOS, DOSEXEC 2, GCOS, GEORGE 3, GEOS, ITS, KAOS, Linux, LynxOS, MPV, MS-DOS, MVS, Mach, Macintosh operating system, Microsoft Windows, MINIX, Multics, Multipop-68, Novell NetWare, OS-9, OS/2, Pick, Plan 9, QNX, RISC OS, STING, System V, System/360, TOPS-10, TOPS-20, TRUSIX, TWENEX, TYMCOM-X, Thoth, Unix, VM/CMS, VMS, VRTX, VSTa, VxWorks, WAITS.
operating-system — the collection of software that directs a computer's operations, controlling and scheduling the execution of other programs, and managing storage, input/output, and communication resources. Abbreviation: OS.
optical illusion — something that deceives by producing a false or misleading impression of reality.
optical scanning — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
organ transplant — an operation in which an organ is transplanted from a donor
organophosphates — Plural form of organophosphate.
orthodoxy sunday — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
osculating plane — the plane containing the circle of curvature of a point on a given curve.
ostend manifesto — a declaration (1854) issued from Ostend, Belgium, by the U.S. ministers to England, France, and Spain, stating that the U.S. would be justified in seizing Cuba if Spain did not sell it to the U.S.
ostentatiousness — characterized by or given to pretentious or conspicuous show in an attempt to impress others: an ostentatious dresser.
otolaryngologist — Otorhinolaryngologist.
out on one's ear — dismissed unceremoniously
outsmart oneself — to have one's efforts at cunning or cleverness result in one's own disadvantage

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