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

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
occupation layer — (on an archaeological site) a layer of remains left by a single culture, from which the culture can be dated or identified.
octanedioic acid — a colourless crystalline dicarboxylic acid found in suberin and castor oil and used in the manufacture of synthetic resins. Formula: HOOC(CH2)6COOH
odds are against — If you say that the odds are against something or someone, you mean that they are unlikely to succeed.
of a certain age — of an unspecified age, but no longer young
of the nature of — having the essential character of; like
ohmic resistance — resistance (def 3a).
oil storage tank — a very large industrial container where petroleum is stored
on (the) average — as an average quantity, rate, etc.
on its last legs — about to fail
on the back foot — at a disadvantage; outmanoeuvred or outclassed by an opponent
on the bandwagon — on the popular or apparently winning side, as in an election
on the beam-ends — tipping so far to the side as to be in danger of capsizing
on the breadline — impoverished; living at subsistence level
on the downgrade — waning in importance, popularity, health, etc
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
on the up and up — to, toward, or in a more elevated position: to climb up to the top of a ladder.
on the up-and-up — to, toward, or in a more elevated position: to climb up to the top of a ladder.
onboard computer — onboard a vehicle, ship, plane, train or spacecraft
once upon a time — at one time in the past; formerly: I was a farmer once; a once powerful nation.
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 for the road — a long, narrow stretch with a smoothed or paved surface, made for traveling by motor vehicle, carriage, etc., between two or more points; street or highway.
one man one vote — One man one vote or one person one vote is a system of voting in which every person in a group or country has the right to cast their vote, and in which each individual's vote is counted and has equal value.
one with another — on average
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-armed bandit — slot machine (def 1).
one-party system — a political system in which only one party is allowed
one-way function — (cryptography, mathematics) A function which is easy to compute but whose inverse is very difficult to compute. Such functions have important applications in cryptography, specifically in public-key cryptography. See also: trapdoor function.
oneida community — a society of religious perfectionists established by John Humphrey Noyes, in 1848 at Oneida, N.Y., on the theory that sin can be eliminated through social reform: dissolved and reorganized in 1881 as a joint-stock company.
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.
onomatopoeically — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
open parenthesis — left parenthesis
open punctuation — punctuation characterized by sparing use of stops, esp of the comma
open-pollination — the pollination of open flowers by insects, the wind, etc. without human action
operating budget — money allocated to a project
operating income — revenue from business operations after operating expenses are deducted from gross income.
operating manual — a leaflet of instructions on how to use something (such as an electrical appliance, etc)
operating margin — An operating margin is a ratio used to measure how well a company controls its costs, that is calculated by dividing operating income by net sales, and expressing it as a percentage.
operating profit — the profit of a company, etc, after it deducts its operating costs or the costs necessary to conduct the business
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.
operationalizing — Present participle of operationalize.
ordnance factory — a factory that makes military weapons and ammunition

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