17-letter words containing o, u, t, f, p
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-reproduction — the act or process of reproducing.
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- take upon oneself — to take the responsibility for; accept as a charge
- the south pacific — the part of the Pacific Ocean to the south of the equator
- trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
- 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).
- unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves