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hot well

a tank or reservoir in which hot water is collected before being recirculated, especially condensed steam about to be returned to a boiler.
Origin of hot well
1350-1400; Middle English Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for hot-well
Historical Examples
  • All steam supplied to the turbine obviously goes to swell the hot-well contents, and to thus increase the total steam consumption.

    Steam Turbines Hubert E. Collins
  • The contrivance by which the boilers of a steamer are supplied with water from the hot-well, while the engines are at work.

    The Sailor's Word-Book William Henry Smyth
  • The excess of this water flows away to the hot-well through the pipe W.

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