the GNU version of the Collaborative International Dictionary of English
n. The quality or state of being invisible; invisibility.
The Century Dictionary and Cyclopedia
n. The state of being invisible; invisibility.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of not being perceivable by the eye
Word Usage
"I think the cheapness of storebought clothes now is partly a function of the "invisibleness" of the labor that goes into the materials and sewing...but that's a big topic for another post."