Amici prism

noun
Ami·​ci prism | \ əˈmēchē- \

Definition of Amici prism

: a composite prism used in direct-vision spectroscopes and made by combining alternate flint and crown glass components with their refracting edges in opposite directions and with prism angles so chosen that nonhomogeneous light passing through the prism is dispersed into a spectrum, the beam as a whole undergoing no net deviation — compare achromatic prism

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!

First Known Use of Amici prism

1855, in the meaning defined above

History and Etymology for Amici prism

after Giovanni Battista Amici †1863 Italian astronomer

Keep scrolling for more

Learn More about Amici prism

Time Traveler for Amici prism

Time Traveler

The first known use of Amici prism was in 1855

See more words from the same year

Statistics for Amici prism

Cite this Entry

“Amici prism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Amici%20prism. Accessed 11 Aug. 2020.

Comments on Amici prism

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

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!