noctilucent Hear it!

noctilucent definition

nocti·lu·cent (näk′tə lo̵̅o̅′sənt)

adjective

shining in the night: said esp. of high-altitude clouds (75 to 90 km or 46 to 56 mi above the earth) that reflect twilight to the earth long after sunset or long before sunrise

Etymology: nocti- + lucent

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments


Do you have more to add? Sign in to share your linguistic knowledge or observation.

Connect with Facebook
Related Discussions (2)
TopicRepliesLatest Post
Noctilucent217 years ago
noctilucent167 years ago

Browse Forums