13-letter words containing o, e, s, t, r, i
- violent storm — Meteorology. storm (def 3).
- virgin forest — a forest in its natural state, before it has been explored or exploited by man
- virgo cluster — a cluster of about 2500 galaxies in the constellation Virgo, the nearest cluster to our galaxy.
- visceroptosis — a downward displacement of the intestine
- visual cortex — the portion of the cerebral cortex of the brain that receives and processes impulses from the optic nerves.
- vitreous body — a transparent gelatinous substance, permeated by fine fibrils, that fills the interior of the eyeball between the lens and the retina
- vivisectorium — the location where vivisection takes place
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- 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.
- water soldier — an aquatic plant, Stratiotes aloides, of Europe and NW Asia, having rosettes of large leaves and large three-petalled white flowers: family Hydrocharitaceae
- water-soaking — to soak or saturate with water.
- watercolorist — a pigment for which water and not oil is used as the vehicle.
- 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.
- west bromwich — a city in West Midlands, in central England, near Birmingham.
- west norriton — a town in SE Pennsylvania.
- whistleblower — a person who informs on another or makes public disclosure of corruption or wrongdoing.
- whithersoever — Wherever.
- whoremistress — a female owner or keeper of a brothel
- winter savory — See under savory2 .
- winter sports — Winter sports are sports that take place on ice or snow, for example skating and skiing.
- winterisation — Non-Oxford British standard spelling of winterization.
- within reason — a basis or cause, as for some belief, action, fact, event, etc.: the reason for declaring war.
- without tears — presented so as to be easily assimilated
- worker-priest — (in France) a Roman Catholic priest who, in addition to his priestly duties, works part-time in a secular job.
- working asset — invested capital that is comparatively liquid.
- yestermorning — yesterday morning.
- your nineties — the ages between 90–99