19-letter words containing p, r, o, v, a
- reserved occupation — in time of war, an occupation from which one will not be called up for military service
- sacrifice operative — a euphemistic term for a suicide bomber
- semipalmated plover — a New World plover, Charadrius semipalmatus, having a black ring around the chest and semipalmate feet, inhabiting beaches and salt marshes.
- sensory deprivation — the experimental or natural reduction of environmental stimuli, as by physical isolation or loss of eyesight, often leading to cognitive, perceptual, or behavioral changes, as disorientation, delusions, or panic.
- separation negative — Photography. a black-and-white negative of one of the additive primary colors used to form a color image.
- stratford-upon-avon — town in S Warwickshire, England, on the Avon: birthplace & burial place of Shakespeare: pop. of county district (called Stratford-on-Avon) 106,000
- subtractive process — a process of color photography in which the colors are formed by combination of cyan, yellow, and magenta lights.
- supreme de volaille — suprême (def 2).
- the provisional ira — the unofficial faction of the IRA that became increasingly dominant following a split in 1969. The Provisional movement remained committed to a policy of terrorism until its ceasefires of the mid-1990s
- 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
- 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.