18-letter words containing u, s, t, i, o, n
- united nations day — the anniversary of the United Nations on October 24, marking its founding in 1945.
- up to one's tricks — If you say that someone is up to their tricks or up to their old tricks, you disapprove of them because they are behaving in the dishonest or deceitful way in which they typically behave.
- urban homesteading — homesteading (def 2).
- uriniferous tubule — a urine-bearing tubule in a nephron of a kidney.
- veterinary surgeon — Chiefly British. a veterinarian.
- vosges (mountains) — mountain range in NE France, west of the Rhine: highest peak, c. 4,700 ft (1,433 m)
- westinghouse brake — a railroad air brake operated by compressed air.
- without hesitation — immediately, willingly
- women at point sur — a narrative poem (1927) by Robinson Jeffers.
- wood-burning stove — cooker: fueled by wood
- work out the kinks — If someone works out the kinks in a situation, they resolve the problems associated with it.
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- young conservative — a member of the youth section of the United Kingdom Conservative Party
- zone of saturation — the ground below the water table