modified
adjective
uk/ˈmɒdɪfaɪd/ ushaving been changed slightly, usually to improve something or make it more acceptable:
modified form/version The proposals were unpopular and were only accepted in a modified form.
a modified vehicle, tool, etc. has had changes made to it so it can be used for a different purpose:
He transported the device in a modified guitar case.
See also
genetically modified
GMO