Derated vs Rerated - What's the difference?

As verbs the difference between derated and rerated

is that derated is past tense of derate while rerated is past tense of rerate.

(head)

(derate)

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(derat)

To lower the rated capability of any rated equipment or material.

The derated engine sold at a lower price, but had the same components as the standard model.

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(head)

(rerate)

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to rate again.

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