Dictionary
Thesaurus
Encyclopedia
Translator
Web

civil twilight

 - 1 dictionary result
Main Entry:  civil twilight
Part of Speech:  n
Definition:  the period beginning with sunset and ending when the center of the refracted Sun is more than six degrees below the horizon
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2009 Dictionary.com, LLC
Cite This Source
Search another word or see civil twilight on Thesaurus | Reference
FacebookTwitterFollow us: