Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

setting circle

noun

Definition of setting circle

  1. :  a graduated scale or wheel on the mounting of an equatorial telescope for indicating right ascension or declination



1869

First Known Use of setting circle

1869


Seen and Heard

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

WORD OF THE DAY

to lessen in amount, effect, or force

Get Word of the Day daily email!