Definition of "additivity" [additivity]

• The property of being additive (noun)
• The extent to which something is additive (noun)

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• "In the context of the changes proposed by Nebraska, "additivity" means that the relationship described in Finding 17 is valid under all conditions."
• "Under such conditions, the modeled response of the stream becomes nonlinear, and the condition of "additivity" no longer holds when"
• "Model output, do not reveal that the assumption of "additivity" to (θ - CKMN) under all conditions was made by either the representatives of the States that developed the"