modification
//ˌmɒdɪfɪˈkeɪʃən//
Noun
modificationSingular
modificationsPlural
1
The act or process of making changes to something in order to improve it or make it more suitable for a particular purpose.
The software requires some modifications before it can be released.
2
A change or alteration made to something.
The design requires some minor modifications before production.
3
In biology, a change in an organism caused by environmental factors that is not inherited.
The darker coloration of the insects was a modification caused by exposure to pollution, not a genetic change.