Derate Definition

derated, derates, derating
To reduce the electrical power rating of (a nuclear power plant, furnace, electrical component, etc.) to improve safety, reliability, or efficiency.
Webster's New World
To lower the financial rating of (a corporation, for example).
American Heritage
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.

Origin of Derate

  • de- +‎ rate

    From Wiktionary

  • de– rate

    From American Heritage Dictionary of the English Language, 5th Edition

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