17-letter words containing a, d, r, e, s, t
- well-demonstrated — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- western red cedar — an arborvitae, Thuja plicata, of western North America, grown as an ornamental.
- wheatstone bridge — a circuit for measuring an unknown resistance by comparing it with known resistances.
- winding staircase — long set of spiral stairs
- wood preservative — a coating applied to timber as a protection against decay, insects, weather, etc
- yesterday evening — during the evening of the day preceding today
- yesterday morning — during the morning of the day preceding today