2 definitions by Tiger128

Top Definition
An aquitard is an underground layer of something else that does not allow water to flow through it.
An aquitard is clay or really solid rock that is nonpermeable.
by Tiger128 May 07, 2009
Having pores or openings that permits liquids/gases to pass through
Gravel, sand, and soil are permeable.
by Tiger128 May 07, 2009

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