nebulosity noun.
[nɛbjʊ'lɒsɪti] M18.[French nébulosité or late Latin nebulositas, from Latin nebulosus, formed as NEBULA: see -OSITY.]The quality or condition of being nebulous; an instance of this; a nebula, nebular matter.
■ B. Bova The view from the homeworld is clear, not shrouded with nebulosity. [TahlilGaran] English Dictionary ▲