nebulosity Meaning, Definition & Usage

Neb`u*los"i*ty noun
Etymology
L. nebulositas: cf. F. nébulosité
Definitions
  1. The state or quality of being nebulous; cloudiness; hazeness; mistiness; nebulousness.
    The nebulosity ... of the mother idiom. I. Disraeli.
  2. (Astron.) (a) The stuff of which a nebula is formed. (b) A nebula.

Webster 1913