15-letter words containing s, o, l, e, r, i
- virtual storage — a system whereby addressable memory is extended beyond main storage through the use of secondary storage managed by system software in such a way that programs can treat all of the designated storage as addressable main storage.
- virtuous circle — a beneficial cycle of events or incidents, each having a positive effect on the next.
- visible exports — goods sold to a foreign country or countries
- visible horizon — horizon (def 1).
- visible imports — products that a company or country buys from other countries
- vitreous silica — silica glass
- voyeuristically — of, relating to, or characteristic of a voyeur or of voyeurism.
- well-considered — thought about or decided upon with care: a considered opinion.
- where one lives — in one's sensitive or defenceless position
- white corpuscle — white blood cell.
- wilderness road — a 300-mile (500-km) route from eastern Virginia through the Cumberland Gap into Kentucky, explored by Daniel Boone in 1769 and marked as a trail by him and other pioneers in 1775: a major route for early settlers moving west.
- wilson's petrel — a small petrel, Oceanites oceanicus, that breeds in the Southern Hemisphere but ranges into the North Atlantic and Pacific oceans.
- winter holidays — a period of rest from work or studies taken in winter
- winter solstice — the solstice on or about December 21st that marks the beginning of winter in the Northern Hemisphere.
- wolverine state — Michigan (used as a nickname).
- yorke peninsula — a peninsula in S Australia between Spencer Gulf and the Gulf of St. Vincent. 160 miles (257 km) long and 20–35 miles (32–56 km) wide.
- yorkshire dales — the valleys of the rivers flowing from the Pennines in W Yorkshire: chiefly Ribblesdale, Swaledale, Nidderdale, Wharfedale, and Wensleydale; tourist area
- zermelo's axiom — axiom of choice.