Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Faraday disk

noun

Definition of Faraday disk

: a metal disk through which a current of electricity is passed and in which an induced current occurs as the disk rotates on a metal axis between the poles of a magnet

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 Faraday disk

Share Faraday disk

Statistics for Faraday disk

Look-up Popularity

Comments on Faraday disk

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

Show Comments  Hide Comments 

WORD OF THE DAY

hamartia

Listen to the pronounciation of hamartia

a flaw that causes the downfall of a hero

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
Spell It

Can you spell these 10 commonly misspelled words?

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!

Words at Play

Ask the Editors

Word Games