17-letter words containing b, u, s, t, i, c
- synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
- the carboniferous — the Carboniferous period or rock system
- triboluminescence — luminescence produced by friction, usually within a crystalline substance.
- tubercle bacillus — the bacterium, Mycobacterium tuberculosis, causing tuberculosis.
- tuberculin-tested — (of milk) produced by cows that have been certified as free of tuberculosis
- uncle tom's cabin — an antislavery novel (1852) by Harriet Beecher Stowe.
- unpredictableness — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unreconstructible — not capable of being reconstructed.
- winchester bushel — a unit of dry measure containing 4 pecks, equivalent in the U.S. (and formerly in England) to 2150.42 cubic inches or 35.24 liters (Winchester bushel) and in Great Britain to 2219.36 cubic inches or 36.38 liters (Imperial bushel) Abbreviation: bu., bush.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.