essentiality

from WordNet (r) 3.0 (2006)
essentiality
    n 1: basic importance [syn: {essentiality}, {essentialness}]
         [ant: {inessentiality}]
    
from The Collaborative International Dictionary of English v.0.48
Essentiality \Es*sen`ti*al"i*ty\, n.
   The quality of being essential; the essential part. --Jer.
   Taylor.
   [1913 Webster]
    

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