SINCE 1828
Ramsden eyepiece
noun
Rams·den eyepiece
| \ ˈramz-dən-
\
\
Medical Definition of Ramsden eyepiece
: a nearly achromatic optical system that contains two plano-convex lenses with the convex surfaces facing each other and is used especially in instruments fitted with micrometer wires or a scale
Comments on Ramsden eyepiece
What made you want to look up Ramsden eyepiece? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Challenging Vocabulary Quiz Returns!
-
- Which is a synonym of fuliginous?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Challenging Vocabulary Quiz Returns!
No tricks, just difficult words.
Take the quiz -
Time Traveler Quiz: Which Word Came First?
Which word entered the English language first?
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Word Winder's CrossWinder
Play the game
Share Ramsden eyepiece
Resources for Ramsden eyepiece