14-letter words containing a, u, n, t, i
- vacuum casting — the casting of metal within a vacuum.
- valetudinarian — an invalid.
- vanadium steel — an alloy steel containing vanadium.
- vapour density — the ratio of the density of a gas or vapour to that of hydrogen at the same temperature and pressure
- vaulting horse — a padded, somewhat cylindrical floor-supported apparatus, braced horizontally at an adjustable height, used for hand support and pushing off in vaulting.
- venetian sumac — smoke tree (def 2).
- vertical union — industrial union.
- vistula lagoon — a shallow lagoon on the SW coast of the Baltic Sea, between Danzig and Kaliningrad, crossed by the border between Poland and Russia
- vital function — any function of the body that is essential for life.
- vowel mutation — umlaut (def 2).
- vulvovaginitis — inflammation of the vulva and vagina.
- walpurgisnacht — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.
- water fountain — a drinking fountain, water cooler, or other apparatus supplying drinking water.
- welsh mountain — a common breed of small hardy sheep kept mainly in the mountains of Wales
- yellowfin tuna — an important food fish, Thunnus albacares, inhabiting warm seas.