The property or characteristic of being incremental.(noun)
The amount of change caused by a small increment of input.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "incrementality" in a sentence
"On the first year of operation we're seeing about 50% of the customers are new to our business and new to the franchise so that's really incrementality, which is very good."
"Cassano said that the $1.8 billion demand was surprising particularly due to its lack of "incrementality.""
"Children develop in the womb with the slowest possible incrementality."