Merriam-Webster Logo
SINCE 1828
dictionary thesaurus view recents

zenith eyepiece

noun
Save Word

Definition of zenith eyepiece

: an eyepiece or adapter containing a right-angle prism or a plane mirror to reflect the rays from an object near the zenith to the side of a refracting telescope for more convenient observation

— called also diagonal eyepiece

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!

Learn More about zenith eyepiece

Statistics for zenith eyepiece

Cite this Entry

“Zenith eyepiece.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/zenith%20eyepiece. Accessed 20 January 2020.

Comments on zenith eyepiece

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

Show Comments  Hide Comments 

WORD OF THE DAY

dauntless

Listen to the pronounciation of dauntless

not to be intimidated or subdued

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!

Words at Play
Ask the Editors
Word Games