ˌ ̷ ̷ ̷ ̷ˈläsəd.ē, -ətē, -i noun
( -es )
Etymology: French or Late Latin; French nébulosité, from Late Latin nebulositat-, nebulositas, from Latin nebulosus + -itat, -itas -ity
1. : the quality or state of being nebulous : cloudiness
2. : nebulous matter : nebula
faintly luminous nebulosity is abundant in the vicinity of Orion — R.H.Baker