13-letter words containing a, b, s, t, r, u
- subperiosteal — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subsaturation — the act or process of saturating.
- subternatural — falling below what is accepted as natural; less than natural
- subterraneous — existing, situated, or operating below the surface of the earth; underground.
- subtriangular — almost triangular;not quite triangular
- subtriplicate — designating or involving the ratio of the cube roots of two terms
- subtropically — in the subtropics
- superabundant — exceedingly or excessively abundant; more than sufficient; excessive.
- surgical boot — a specially designed boot or shoe that compensates for deformities of the foot or leg
- survivability — able to be survived: Would an atomic war be survivable?
- thorough bass — figured bass.
- transboundary — something that indicates bounds or limits; a limiting or bounding line.
- treasury bill — an obligation of the U.S. government represented by promissory notes in denominations ranging from $1000 to $1,000,000, with a maturity of about 90 days but bearing no interest, and sold periodically at a discount on the market.
- treasury bond — any of various interest-bearing bonds issued by the U.S. Treasury Department, usually maturing over a long period of time.
- tributariness — the state of being tributary
- trumpet blast — the sound of a single note made by a trumpet
- tubular bells — Often, tubular bells. one of a set of tuned metal tubes of different lengths used as a musical instrument, suspended vertically from a frame and struck with a mallet to produce sounds or melodies.
- tubular skate — a type of ice skate consisting of a steel blade set into an aluminum tube and connected to the shoe by tubular supports, used for both hockey and racing skates.
- tubular steel — steel in the shape of a cylinder or long narrow rectangle; tube-shaped steel
- turban squash — a turban-shaped variety of winter squash, Cucurbita maxima turbaniformis.
- umbrella step — (in the game of giant steps) a step executed by extending one foot forward and whirling on the heel.
- unpresentable — not fit to be shown or introduced to other people
- unrespectable — not able to be respected
- unscratchable — to break, mar, or mark the surface of by rubbing, scraping, or tearing with something sharp or rough: to scratch one's hand on a nail.
- unsmotherable — unquenchable
- unstretchable — to draw out or extend (oneself, a body, limbs, wings, etc.) to the full length or extent (often followed by out): to stretch oneself out on the ground.
- unsupportable — capable of being supported; endurable; maintainable.
- untarnishable — to dull the luster of (a metallic surface), especially by oxidation; discolor.
- untraversable — to pass or move over, along, or through.
- urban studies — the various disciplines associated with the study of urban areas, including urban planning, urban economics and urban architecture
- water biscuit — a crackerlike biscuit prepared from flour and water.
- water-soluble — capable of dissolving in water.
- x-ray burster — a celestial source from which bursts of x-rays are received.