a cloud of interstellar gas and dust that absorbs and thus obscures the light from stars behind it, appearing as a dark patch in front of a bright nebula or in an otherwise bright area of sky.
Also called absorption nebula.
Origin of dark nebula
First recorded in 1930–35
Words nearby dark nebula
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for absorption nebula
a type of nebula that is observed by its blocking of radiation from other sourcesSee nebula
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for absorption nebula
See absorption nebula.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.