13-letter words containing p, e, r, s, v, a
- semioviparous — bearing young in an incomplete state of development, as a marsupial.
- service clasp — clasp (def 4).
- severance pay — money, exclusive of wages, back pay, etc., paid to an employee who has tenure and who is dismissed because of lack of work or other reasons beyond the employee's control.
- silver poplar — white poplar (def 1).
- silver-plated — Something that is silver-plated is covered with a very thin layer of silver.
- sneak preview — a preview of a motion picture, often shown in addition to an announced film, in order to observe the reaction of the audience.
- spanish river — a river in S Ontario, Canada, flowing S into the North Channel of Lake Huron. 150 miles (241 km) long.
- sperry univac — (company) One of the divisions of Sperry Corporation at the time that company merged with the Burroughs Corporation to form Unisys Corporation.
- spring valley — a city in SW California, near San Diego.
- superachiever — someone who achieves more than most; high achiever
- superactivity — extreme activity; hyperactivity
- superelevated — (of a curve in a road, railroad track, etc.) banked.
- superlatively — of the highest kind, quality, or order; surpassing all else or others; supreme; extreme: superlative wisdom.
- surplus value — (in Marxian economics) the part of the value of a commodity that exceeds the cost of labor, regarded as the profit of the capitalist.
- vagodepressor — decreasing or mimicking the decrease of the activity of the vagus nerve.
- vapor tension — vapor pressure.
- vapourishness — the quality or state of being vapourish
- venus flytrap — firewall machine
- vide ut supra — (used to direct a reader to a specified place in a text) see as above
- visual purple — rhodopsin.