Definition of nonadditive
1 : not having a numerical value equal to the sum of values for the component parts
2 : of, relating to, or being a genic effect that is not additive
nonadditivityplay \ˌnän-ˌa-də-ˈti-və-tē\ noun
First Known Use of nonadditive
Seen and Heard
What made you want to look up nonadditive? Please tell us where you read or heard it (including the quote, if possible).