17-letter words containing b, a, r, o, u
- water-tube boiler — a boiler for generating steam by passing water in tubes (water tubes) through flames and hot gases.
- wearable computer — a small computer that is worn or carried on the body; a wearable computing device: a wrist-worn wearable computer with a head-mounted display.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.