'Essentiality' definitions:
Definition of 'essentiality'
(from WordNet)
noun
Basic importance [syn: essentiality, essentialness] [ant: inessentiality]
Definition of 'Essentiality'
From: GCIDE
- Essentiality \Es*sen`ti*al"i*ty\, n. The quality of being essential; the essential part. --Jer. Taylor. [1913 Webster]