17-letter words containing a, t, s, b, c, o
- uncle tom's cabin — an antislavery novel (1852) by Harriet Beecher Stowe.
- uncomfortableness — causing discomfort or distress; painful; irritating.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.