noun Metallurgy.
a row of electrolytic cells for reducing certain metals, as aluminum, from fused salts.

1940–45; pot1 + line1

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Example sentences
Potline current can be controlled over a range while maintaining acceptable pot conditions.
The remaining portion of the spent anode is cooled in the potline area and then transported to the rod shop.
Not one single aluminum potline in the state was operating.
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