Hallwachs effect

noun
Hall·​wachs effect | \ ˈhälˌväks- \

Definition of Hallwachs effect

: a photoelectric effect in which a negatively charged body in a vacuum is discharged upon exposure to ultraviolet radiation

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 Hallwachs effect

after Wilhelm Hallwachs †1922 German physicist

Keep scrolling for more

Learn More About Hallwachs effect

Statistics for Hallwachs effect

Cite this Entry

“Hallwachs effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hallwachs%20effect. Accessed 17 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Dog Breeds

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!