Derate vs Degrade - What's the difference?

As verbs the difference between derate and degrade

is that derate is while degrade is .

is that has undergone splenectomy to improve its running.

is a person who has undergone splenectomy.

(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.

* * * *

(degrad)

To lower in value or social position.

Fred degrades himself by his behaviour.

* Palfrey

Prynne was sentenced by the Star Chamber Court to be degraded from the bar.

To reduce in quality or purity.

The DNA sample has degraded .

(geology) To reduce in altitude or magnitude, as hills and mountains; to wear down.

* degradation