17-letter words containing a, p, o, c, y, n
- 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.
- vasovagal syncope — a faint brought on by excessive activity of the vagus nerve, causing the heart to slow and the blood pressure to fall. It can be caused by fear, choking, or stomach cramps and has no lasting effects