15-letter words containing r, e, s, v, o, i
- undemonstrative — not given to open exhibition or expression of emotion, especially of affection.
- unforgivingness — not disposed to forgive or show mercy; unrelenting.
- universal donor — a person with blood of group O.
- universal joint — piece that couples two rotating shafts
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- unobtrusiveness — not obtrusive; inconspicuous, unassertive, or reticent.
- unprogressively — in an unprogressive manner
- vacation course — a course of study undertaken during a vacation, usually combined with other activities
- vector analysis — the branch of calculus that deals with vectors and processes involving vectors.
- venus hairstone — a variety of rutilated quartz, used as a gemstone.
- vermouth cassis — a mixed drink made with dry vermouth, crème de cassis, soda or mineral water, and cracked ice.
- vernier compass — a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
- vers de societe — humorous light verse dealing with fashions and foibles of the time.
- vespertilionine — of or relating to the bats of the subfamily Vespertilioninae, common in temperate regions and including most familiar species.
- villeda morales — Ramón [rah-mawn] /rɑˈmɔn/ (Show IPA), 1909?–71, Honduran diplomat and statesman: president 1957–63.
- viper's bugloss — the blueweed.
- 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
- visser 't hooft — Willem Adolf [vil-uh m ah-dawlf] /ˈvɪl əm ˈɑ dɔlf/ (Show IPA), 1900–85, Dutch Protestant clergyman and writer: leader in ecumenical movement.
- vitreous humour — the aqueous fluid contained within the interstices of the vitreous body
- vitreous silica — silica glass
- vortex shedding — the process by which vortices formed continuously by the aerodynamic conditions associated with a solid body in a gas or air stream are carried downstream by the flow in the form of a vortex street
- voyeuristically — of, relating to, or characteristic of a voyeur or of voyeurism.
- where one lives — in one's sensitive or defenceless position
- without reserve — without reservations; fully; wholeheartedly
- wolverine state — Michigan (used as a nickname).
- worm's eye view — a perspective seen from below or from a low or inferior position: The new man will get a worm's-eye view of the corporate structure.
- worm's-eye view — a perspective seen from below or from a low or inferior position: The new man will get a worm's-eye view of the corporate structure.