17-letter words containing r, o, b, c
- subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
- sunday observance — the fact of keeping Sunday as a special day when people go to church
- synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
- tabernacle mirror — a mirror of c1800, having columns and a cornice, usually gilt, with a painted panel over the mirror.
- the bag of tricks — every device; everything
- the barbary coast — a historic name for the Mediterranean coast of North Africa: a centre of piracy against European shipping from the 16th to the 19th centuries
- the black country — the formerly heavily industrialized region of central England, northwest of Birmingham
- the carboniferous — the Carboniferous period or rock system
- tone control knob — a round switch on a radio, record player, etc that is turned to alter the tone control
- 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
- transonic barrier — sound barrier.
- triboluminescence — luminescence produced by friction, usually within a crystalline substance.
- trouble came back — (jargon) (TCB) An IBM term for an intermittent or difficult-to-reproduce problem that has failed to respond to neglect or shotgun debugging. Compare heisenbug.
- turbosupercharger — (formerly) a turbocharger.
- 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.
- vertical mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- voidable contract — a contract or agreement that is capable of being made of no legal effect or made void
- wearable computer — a small computer that is worn or carried on the body; a wearable computing device: a wrist-worn wearable computer with a head-mounted display.
- white book cd-rom — (hardware, standard) A more open CD-ROM standard than Green Book CD-ROM. All films mastered on CD-ROM after March 1994 use White Book. Like Green Book, it is ISO 9660 compliant, uses mode 2 form 2 addressing and can only be played on a CD-ROM drive which is XA (Extended Architecture) compatible. White book CDs are labelled "Video CD".
- work-life balance — a situation in which one divides or balances one's time between work and activities outside of work: It's hard to achieve a reasonable work-life balance when you run your own business.
- 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.