13-letter words containing p, r, i, o, e, s
- trichopterous — belonging or pertaining to the insect order Trichoptera, comprising the caddisflies.
- uncompromised — unable to function optimally, especially with regard to immune response, owing to underlying disease, harmful environmental exposure, or the side effects of a course of treatment.
- unpersonified — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- unperspicuous — clearly expressed or presented; lucid.
- unpretentious — not pretentious; modest; without ostentatious display; plain: his unpretentious demeanor; an unpretentious summer resort.
- unprogressive — favoring or advocating progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters: a progressive mayor.
- unprovisioned — a clause in a legal instrument, a law, etc., providing for a particular matter; stipulation; proviso.
- unresponsible — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- uprighteously — in an upright or moral manner
- vapor tension — vapor pressure.
- vapourishness — the quality or state of being vapourish
- violin spider — brown recluse spider.
- visceroptosis — a downward displacement of the intestine
- volute spring — a coil spring, conical in shape, extending in the direction of the axis of the coil.
- walter piston — Walter, 1894–1976, U.S. composer.
- watering spot — watering hole
- waterscorpion — any of several predaceous aquatic bugs of the family Nepidae, having clasping front legs and a long respiratory tube at the rear of the abdomen: capable of biting if handled.
- winter sports — Winter sports are sports that take place on ice or snow, for example skating and skiing.
- worker-priest — (in France) a Roman Catholic priest who, in addition to his priestly duties, works part-time in a secular job.
- workingperson — a workingman or workingwoman.
- zf expression — (programming) (After Zermelo Fränkel set theory). David Turner's name for list comprehension.
- zoopraxiscope — an early type of motion-picture projector, designed by Eadweard Muybridge, in which the images were drawings or photographs placed along the rim of a circular glass plate, the shutter was a rotating opaque disk with radial slots, and a limelight source was used.