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septic tank

noun
1.
a tank in which solid organic sewage is decomposed and purified by anaerobic bacteria.
Origin of septic tank
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for septic tank

septic tank

noun
1.
a tank, usually below ground, for containing sewage to be decomposed by anaerobic bacteria
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for septic

10
12
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