The quality or state of being opposed to contagion or the ability to prevent disease transmission.
Formed from 'anticontagious' + '-ness.' This abstract noun allows discussion of the degree to which something opposes or prevents contagious disease spread.
The '-ness' suffix transformation shows how English loves abstraction—we can measure 'anticontagiousness' as a property, which is how scientists evaluate mask effectiveness or ventilation systems!
Complete word intelligence in one call. Free tier — 50 lookups/day.