17-letter words containing a, o, r, t, s
- wars of the roses — the civil struggle between the royal house of Lancaster, whose emblem was a red rose, and the royal house of York, whose emblem was a white rose, beginning in 1455 and ending with the accession of Henry VII in 1485 and the union of the two houses.
- warsaw convention — a multilateral treaty on aviation set up chiefly to limit air carriers' liability to passengers and shippers on international flights in the event of an accident.
- washington square — a short novel (1881) by Henry James.
- weapons inspector — a person who inspects a country's weapons
- wear the trousers — to have control, esp in a marriage
- well-demonstrated — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- weston-super-mare — a town and resort in SW England, in North Somerset unitary authority, Somerset, on the Bristol Channel. Pop: 78 044 (2001)
- wheatstone bridge — a circuit for measuring an unknown resistance by comparing it with known resistances.
- wireless operator — a radio operator
- wood preservative — a coating applied to timber as a protection against decay, insects, weather, etc
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.
- yesterday morning — during the morning of the day preceding today
- zebra swallowtail — a swallowtail butterfly, Papilio marcellus, having black and greenish-white stripes on the wings.
- zygomatic process — any of several bony processes that articulate with the cheekbone.