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

sidereal second

noun

Definition of sidereal second

  1. :  the 60th part of a sidereal minute



Circa 1909

First Known Use of sidereal second

circa 1909


Seen and Heard

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

WORD OF THE DAY

the act or an instance of embezzling

Get Word of the Day daily email!