Dictionary Home »
Webster's New World College Dictionary » sidereal
sidereal
sidereal definition
si·dereal (sī dir′ē əl)
adjective
- of or pertaining to the stars
- expressed in reference to the stars
Etymology: < L sidereus < sidus (gen. sideris), a star < IE base *sweid-, to gleam > Lith svidù, to gleam
Related Forms:
- sidereally si·de′real·ly adverb
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
Comments
Improve this definition.
Browse dictionary definitions near sidereal
Share on Facebook