17-letter words containing n, a, f, o
- trifoliate orange — a spiny, Chinese orange tree, Poncirus trifoliata, used as a stock in grafting and for hedges.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- uncomfortableness — causing discomfort or distress; painful; irritating.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- uniformitarianism — supporting, conforming to, or derived from a theory or doctrine about uniformity, especially on the subject of geology.
- unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.
- unlawful wounding — an offence committed when a person maliciously wounds another person
- unofficial strike — a strike that is not approved by the strikers' trade union
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- vale of glamorgan — a county borough of S Wales, created in 1996 from parts of South Glamorgan and Mid Glamorgan. Administrative centre: Barry. Pop: 121 200 (2003 est). Area: 295 sq km (114 sq miles)
- vanilla-flavoured — having been flavoured with vanilla extract or essence
- ventilation shaft — a shaft in a mine, tunnel, or building used for providing ventilation or fresh air
- vibrofluidization — Vibrofluidization is when vibration is used to make particles move in a fluidized bed.
- waiting for godot — a play (1952) by Samuel Beckett.
- welfare economics — a branch of economics concerned with improving human welfare and social conditions chiefly through the optimum distribution of wealth, the relief or reduction of unemployment, etc.
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
- within an inch of — very close to
- woman of the hour — a woman honored by a group.
- work-life balance — a situation in which one divides or balances one's time between work and activities outside of work: It's hard to achieve a reasonable work-life balance when you run your own business.
- x-ray diffraction — diffraction of x-rays by the regularly spaced atoms of a crystal, useful for determining the arrangement of the atoms.
- year of confusion — (in ancient Rome) the year of 445 days preceding the introduction, in 46 b.c., of the Julian calendar: lengthened to compensate for the cumulative errors of the Roman calendar.
- yellowstone falls — a waterfall in NW Wyoming, in Yellowstone National Park on the Yellowstone River
- zone of avoidance — the area of the sky in the plane of the Milky Way where interstellar dust obscures visible light so that no distant galaxies can be observed.