WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the quality of not being perceivable by the eye
Word Usage
"Sands says that e-invoicing has helped Memorial Hermann reduce what he calls the invisibility of costs (the time between when invoices come in, make their way into the system and get processed for payment) from 60-to-90 days to 15-to-30 days."