Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

reserve capacity

noun

Definition of reserve capacity 

: installed equipment (as in an electric power plant) that is in excess of that required to carry peak load

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about reserve capacity

Share reserve capacity

Resources for reserve capacity

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near reserve capacity

reserve account

reserve bank

reserve buoyancy

reserve capacity

reserve card

reserve city

reserve clause

Statistics for reserve capacity

Look-up Popularity

Comments on reserve capacity

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

Show Comments  Hide Comments 

WORD OF THE DAY

nary

not any or not one

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Bee Cubed

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!

Words at Play

Ask the Editors

Word Games