phos·​phoro·​graph | \ fäˈsfȯrəˌgraf, -rȧf \

Definition of phosphorograph

: a photographic impression made by laying a phosphorescent body directly upon the photographic film in order to detect phosphorescence too feeble to be observed visually

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!

Other Words from phosphorograph

phosphorographic \ ¦fäsfərə¦grafik \ adjective
phosphorography \ ˌfäsfəˈrägrəfē \ noun, plural -es

History and Etymology for phosphorograph

phosphor- + -graph

Keep scrolling for more

Learn More about phosphorograph

Statistics for phosphorograph

Cite this Entry

“Phosphorograph.” Dictionary, Merriam-Webster, Accessed 7 May. 2021.

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

Comments on phosphorograph

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


Test Your Vocabulary

Star Wars Words Quiz

  • cu jedi training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!