fulchronograph

noun
ful·​chronograph | \ (ˈ)fu̇l, ¦fəl+ \

Definition of fulchronograph

: a lightning-recording device that consists of a revolving aluminum disk having on its rim several hundred steel fins which, as they pass successively every forty-millionth of a second between two coils carrying the surge current of a lightning stroke, become proportionately magnetized and register the duration and intensity of the strokes

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 fulchronograph

Latin fulgur lightning (from fulgēre to shine, flash) + English chronograph

Learn More About fulchronograph

Dictionary Entries Near fulchronograph

Fulbright

fulchronograph

fulciment

See More Nearby Entries 

Statistics for fulchronograph

Cite this Entry

“Fulchronograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fulchronograph. Accessed 16 Aug. 2022.

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

WORD OF THE DAY

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
True or False

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

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!