SINCE 1828
dictionary
thesaurus
view recents

Hess image

noun
Save Word
\ ˈhes- \

Definition of Hess image

: a third positive afterimage in a succession of visual afterimages resulting from a brief light stimulus

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 Hess image

after Carl von Hess †1923 German ophthalmologist

Keep scrolling for more

Learn More About Hess image

Dictionary Entries Near Hess image

Hessian fly

Hess image

hessite

See More Nearby Entries 

Statistics for Hess image

Cite this Entry

“Hess image.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hess%20image. Accessed 21 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about

WORD OF THE DAY

untoward

Listen to the pronunciation of untoward

See Definitions and Examples »

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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