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attemperator

noun
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at·​tem·​per·​a·​tor | \ -ātə(r), -ātə- \
plural -s

Definition of attemperator

: a coil of pipe through which hot or cold water may be run for regulating temperature

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“Attemperator.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/attemperator. Accessed 25 January 2020.

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