Definition of holding tank in English:

holding tank

Syllabification: hold·ing tank

noun

  • A large container in which liquids are temporarily held.
    More example sentences
    • They could also find themselves shelling out thousands of pounds to install leak proof concrete flooring beneath their muck heaps with a sealed holding tank for the liquid which runs off.
    • The building's distance from a water source meant that a holding tank would have been required.
    • Our 18-foot flat-bottomed aluminum boat contained a holding tank for keeping the fish while we tagged them.

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
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