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• a  not porous; especially not having vessels that appear as pores
  nonporous wood

• Unlike the paper on a conventional cigarette, the tendu leaf is nonporous, so it prevents outside air from mixing with the inhaled smoke and diluting it.
• Upon examination he found that it consisted of nonporous and nonabsorbent substances.
• In large areas of New Mexico, Wyoming, Colorado, Utah and Arizona, however, much of the natural gas is held in relatively nonporous rock that prevents the flow of all but small .

• porous

News & Articles

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• Formica Introduces 13 New Patterns to Solid Surfacing Collection
  CINCINNATI, OH -- Formica Corporation, a global leader in surfacing design and innovation, has introduced 13 new solid surfacing patterns, adding a new range of quartz-like patterns and some contemporary shimmer to the brand's collection of smooth, seamless and nonporous solid surfacing products.
  Oct. 7, 2013 - BuildingOnline