17-letter words containing o, b, s, l, e
- triboluminescence — luminescence produced by friction, usually within a crystalline substance.
- troilus butterfly — spicebush swallowtail.
- uncle tom's cabin — an antislavery novel (1852) by Harriet Beecher Stowe.
- uncomfortableness — causing discomfort or distress; painful; irritating.
- unreconstructible — not capable of being reconstructed.
- 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).
- welshman's button — an angler's name for a species of caddis fly, Sericostoma personatum
- whiskey rebellion — a revolt of settlers in western Pennsylvania in 1794 against a federal excise tax on whiskey: suppressed by militia called out by President George Washington to establish the authority of the federal government.
- white blood cells — any of various nearly colorless cells of the immune system that circulate mainly in the blood and lymph and participate in reactions to invading microorganisms or foreign particles, comprising the B cells, T cells, macrophages, monocytes, and granulocytes.
- zebra swallowtail — a swallowtail butterfly, Papilio marcellus, having black and greenish-white stripes on the wings.