Definition of "nebulosity" []

• The quality or condition of being nebulous. (noun)
• Astronomy A nebula or a nebulalike object. (noun)
• Astronomy A mass of material constituting a nebula. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As a matter of fact, her thoughts were always fixed on the artistic, social, and dramatic aspects of life, with unfortunately a kind of nebulosity of conception which permitted no condensation into anything definite or concrete."
• "Well, now, where in the real universe do you find that kind of nebulosity-so thick and extensive that a ship can actually lose its bearings, wander around lost, using up its film among other supplies, until it chances to emerge in clear space?"
• "Apparently, the region was full f nebulosity which is normally invisible to us."