17-letter words containing n, o, f, a, t
- 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.
- unofficial strike — a strike that is not approved by the strikers' trade union
- 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.
- 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.
- x-ray diffraction — diffraction of x-rays by the regularly spaced atoms of a crystal, useful for determining the arrangement of the atoms.
- yellowstone falls — a waterfall in NW Wyoming, in Yellowstone National Park on the Yellowstone River