19-letter words containing o, p, e, r, a
- typographical error — an error in printed or typewritten matter resulting from striking the improper key of a keyboard, from mechanical failure, or the like.
- underrepresentation — the act of representing.
- university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
- upper carboniferous — Pennsylvanian (defs 2, 4).
- vapor recovery unit — A vapor recovery unit is a system for recovering vapors from inside sealed crude oil or condensate tanks, with a scrubber (= a device for removing unwanted substances) and compressor (= a device that raises pressure).
- versa module europa — (hardware) (VME) A flexible open-ended bus system which makes use of the Eurocard standard. VME was introduced in 1981 by Motorola, Philips, Thompson, and Mostek. It was intended to be a flexible environment supporting a variety of computing intensive tasks, and has become a rather popular protocol in the computer industry. It is defined by the IEEE standard 1014-1987.
- vicariate apostolic — a district under the jurisdiction of a vicar apostolic.
- video tape recorder — a device for recording television programs on magnetic tape for delayed transmission or for storage.
- war of independence — American Revolution.
- whorfian hypothesis — Sapir-Whorf hypothesis.
- wireless local loop — (communications) (WLL, radio in the loop, RITL, fixed-radio access, FRA) Connecting subscribers to the public switched telephone network (PSTN) using radio signals instead of copper wires. The wireless link may be all or part of the connection between the subscriber and the switch. WLL includes cordless access systems, proprietary fixed radio access and fixed cellular systems.
- world day of prayer — the first Friday in Lent, during which Christians belonging to ecumenical communions pray for foreign missions.
- wraparound mortgage — a mortgage, as a second mortgage, that includes payments on a previous mortgage that continues in effect.
- xenotransplantation — xenograft.
- zenithal projection — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it, either at one of the poles (polar zenithal), at the equator (equatorial zenithal), or between (oblique zenithal)
- zero and add packed — (language) (ZAP) An IBM 360/370 assembly language instruction used when performing packed arithmatic to initialise an accumulator.