Definition of "essentiality" [es•sen•ti•al•i•ty]

• The condition of being essential; a basic set of essential traits; being (noun)
• An essential thing. (noun)

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• "The modal characterization of an essential property of an object as a property that an object must have fits well with (at least one aspect of) our everyday understanding of the notion of essentiality, which often seems simply to be the notion of necessity."
• "The notebook is supposed to offer "essentiality", whatever that means."
• "As newsroom Latinos continue to decline, Nate is has been a notable exception in 2011 -- not only by keeping his job, but by increasing his essentiality to LATimes online."