Nonemptiness is a synonym of nonvacuum.
As nouns the difference between nonvacuum and nonemptiness
is that nonvacuum is absence of vacuum while nonemptiness is the state or condition of being nonempty.
nonvacuum
English
Noun
(-)
Absence of vacuum. nonemptiness
English
Noun
(-)
The state or condition of being nonempty.
Synonyms
* nonvacuum