To save this word, you'll need to log in.
variants:
or zenith tube
Definition of zenith telescope
: a telescope that is installed in a fixed vertical position so that it can be used only to observe stars crossing the meridian near the zenith which is at the center of its field of view and that is used for precise time and latitude determinations
Comments on zenith telescope
What made you want to look up zenith telescope? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Intact Latin Quiz
- What did focus mean in Latin?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Intact Latin Quiz
What did each of these words mean to ancient Romans?
Take the quiz - The Eponym Quiz
Do you know these words that come from names?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share zenith telescope