18-letter words containing r, o, t, a, u, n
- unix international — (body) (UI) A consortium including Sun, AT&T and others formed to promote an open environment based on Unix System V, including the Open Look windowing system.
- upper partial tone — overtone (def 1).
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- urban homesteading — homesteading (def 2).
- veterinary surgeon — Chiefly British. a veterinarian.
- victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
- voluntary abortion — abortion (def 1).
- voluntary-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- westinghouse brake — a railroad air brake operated by compressed air.
- women at point sur — a narrative poem (1927) by Robinson Jeffers.
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- you never can tell — If you say 'You never can tell', you mean that the future is always uncertain and it is never possible to know exactly what will happen.
- young conservative — a member of the youth section of the United Kingdom Conservative Party
- zone of saturation — the ground below the water table