derate

verb de·rate \ (ˌ)dē-ˈrāt \

Definition of derate

transitive verb
: to lower the rated capability of (something, such as an electrical or mechanical apparatus) because of deterioration or inadequacy

Recent Examples of derate from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'derate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of derate

1947


Learn More about derate


Seen and Heard

What made you want to look up derate? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

an inference not connected logically

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!