17-letter words containing b, i, o, s, t, a
- visible radiation — electromagnetic radiation that causes the sensation of sight; light. It has wavelengths between about 380 and 780 nanometres
- wang laboratories — (body) Computer manufacturer, known for their office automation products and the Wang PC. Quarterly sales $208M, profits $3M (Aug 1994).
- wardrobe mistress — a woman in charge of keeping theatrical costumes cleaned, pressed, and in wearable condition.
- wheatstone bridge — a circuit for measuring an unknown resistance by comparing it with known resistances.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.
- zebra swallowtail — a swallowtail butterfly, Papilio marcellus, having black and greenish-white stripes on the wings.