absorption trench
McGraw-Hill Science & Technology Dictionary:
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absorption trench
(əb′sörp·shən ′trench)
(civil engineering) A trench containing coarse aggregate about a distribution tile pipe through which septic-tank effluent may move beneath earth.
McGraw-Hill Dictionary of Architecture & Construction:
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absorption trench
A trench containing coarse aggregate and a distribution tile pipe through which septic-tank effluent may flow, covered with earth.
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McGraw-Hill Science & Technology Dictionary
McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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