15-letter words containing a, n, t, i, s, u
- untransmissible — intransmissible
- vacation course — a course of study undertaken during a vacation, usually combined with other activities
- vascularization — (of a tissue or embryo) to develop or extend blood vessels or other fluid-bearing vessels or ducts; become vascular.
- venus hairstone — a variety of rutilated quartz, used as a gemstone.
- vulnerabilities — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- walpurgis night — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.
- white mountains — a mountain range in the US, chiefly in N New Hampshire: part of the Appalachians. Highest peak: Mount Washington, 1917 m (6288 ft)
- wiener neustadt — a city in E Austria, in Lower Austria. Pop: 37 627 (2002)
- winter purslane — a plant, Montia perfoliata, native to western North America, of the purslane family, having edible, egg-shaped leaves and clusters of small, white flowers.
- winter quarters — housing or accommodation for the winter, esp for military personnel