17-letter words containing b, e, r, u, n, o
- the black country — the formerly heavily industrialized region of central England, northwest of Birmingham
- the carboniferous — the Carboniferous period or rock system
- theory of numbers — number theory.
- torricellian tube — a vertical glass tube partly evacuated and partly filled with mercury, the height of which is used as a measure of atmospheric pressure
- triboluminescence — luminescence produced by friction, usually within a crystalline substance.
- ultramicrobalance — a balance for weighing precisely, to a hundredth of a microgram or less, minute quantities of material.
- uncomfortableness — causing discomfort or distress; painful; irritating.
- unreconstructible — not capable of being reconstructed.
- urban development — the development or improvement of an urban area by building
- urban exploration — a recreational activity in which people explore derelict urban structures such as abandoned sewers or underground railways or attempt to access areas which are closed to the public such as the roofs of skyscrapers
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.
- zero-coupon bonds — Zero-coupon bonds are bonds with no coupons that do not pay interest, and are sold at a large discount from their face value.