Siemens's law

noun
Sie·​mens's law | \ ˈsēmənz(ə̇z)-, ˈzē- \

Definition of Siemens's law

: a statement in electricity: the greater the ratio of counter electromotive force to impressed electromotive force in a motor, the greater is its efficiency

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!

History and Etymology for Siemens's law

after Werner von Siemens †1892 German electrical engineer and inventor, its formulator

Keep scrolling for more

Learn More about Siemens's law

Statistics for Siemens's law

Cite this Entry

“Siemens's law.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Siemens%27s%20law. Accessed 8 December 2019.

Comments on Siemens's law

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

WORD OF THE DAY

to constrict the range or activity of

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

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!