The quality of not being perceivable by the eye.

synonym: invisibility.

Roget 447: invisibility, invisibleness, nonappearance, imperceptibility; indistinctness etc. adj.; mystery, delitescence^†.    concealment etc. 528; latency etc. 526.    ... show more

Dutch: onzichtbaarheid
Polish: niewidoczność, niewidzialność