amplicative
/ˌæmp.lɪˈkeɪ.tɪv/; -iˈvɪtɪv/Definitions
1. adjective
Relating to or causing amplification.
“The amplicative effects of the new amplifier were impressive.”
2. noun
A property or relationship that allows for or results in amplification.
“The amplicative property of the new material was crucial for its widespread adoption.”