12-letter words containing a, b, c, k
- mental block — inability to recall
- mockingboard — (hardware) A sound and speech board for the Apple II computer, on sale in 1978. See also zxnrbl.
- payback time — Payback time is when someone has to take the consequences of what they have done in the past. You can use this expression to talk about good or bad consequences.
- peacock blue — a lustrous greenish blue, as of certain peacock feathers.
- piggybacking — on the back or shoulders: The little girl rode piggyback on her father.
- quarterbacks — Plural form of quarterback.
- rickenbacker — Edward Vernon ("Eddie") 1890–1973, U.S. aviator and aviation executive.
- rock wallaby — any wallaby of the genus Petrogale, having a banded or striped coat, slender body, and long legs and feet, inhabiting caves and rocky areas in Australia.
- rugby tackle — A rugby tackle is a way of making someone fall over by throwing your arms around their legs or hips.
- running back — an offensive back, as a halfback or fullback, whose principal role is advancing the ball by running with it on plays from scrimmage.
- saddle block — a type of spinal anaesthesia producing sensory loss in the buttocks, inner sides of the thighs, and perineum
- salmon brick — a soft, imperfectly fired brick having a reddish-orange color.
- scrapbooking — hobby: collaging
- snatch block — a fairlead having the form of a block that can be opened to receive the bight of a rope at any point along its length.
- spinal block — spinal anesthesia.
- stackability — capable of being stacked, especially easily: stackable chairs.
- stickability — to pierce or puncture with something pointed, as a pin, dagger, or spear; stab: to stick one's finger with a needle.
- straddleback — astride, on horseback
- swashbuckler — a swaggering swordsman, soldier, or adventurer; daredevil.
- trackability — a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
- unreckonable — to count, compute, or calculate, as in number or amount.
- vacuum brake — a brake system, used on British and many overseas railways, in which the brake is held off by a vacuum on one side of the brake-operating cylinder. If the vacuum is destroyed by controlled leakage of air or a disruptive emergency, the brake is applied. It is now largely superseded by the Westinghouse brake system
- van riebeeck — Jan, full name Johan Anthoniszoon van Riebeeck. 1619–77, Dutch colonial administrator. Founder of the colony of the Cape of Good Hope (1652)
- watteau back — a loose, full back of a woman's gown, formed by wide box pleats hanging from a high shoulder yoke and extending to the hem in an unbroken line.
- wildcat bank — a bank that issued notes without adequate security in the period before the establishment of the national banking system in 1864.
- wrecking bar — pinch bar.