septic tank

noun

: a tank in which the solid matter of continuously flowing sewage is disintegrated by bacteria

Examples of septic tank in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This allows the condensation inside the pipes to drain by gravity to the sewer or septic tank. Tim Carter, Hartford Courant, 31 May 2025 Even before the fire, few septic tanks and leach fields probably met current standards, which require substantially enhanced removal of pathogens. James Rainey, Los Angeles Times, 11 May 2025 Pollutants from water treatment plants and septic tanks on the edge of the lagoon have slowly leaked nitrogen and phosphorus into the water, one expert said. Jade Walker, CNN Money, 1 May 2025 Crude septic tanks, called percolating pits, lie outside homes, covered only by a thin layer of sand. Chris Hedges, Harpers Magazine, 15 June 2024 See All Example Sentences for septic tank

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of septic tank was in 1896

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Cite this Entry

“Septic tank.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/septic%20tank. Accessed 1 Jul. 2025.

Kids Definition

septic tank

noun
: a tank in which solid sewage is broken down by bacteria

More from Merriam-Webster on septic tank

Last Updated: - Updated example sentences
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