regenerant
/ˌriːdʒɛnˈɛrənt/Definitions
1. noun
A substance capable of inducing regeneration in plants.
“The horticulturist added a regenerant to the soil to promote healthy growth in the newly transplanted trees.”
2. adjective
Capable of regenerating or promoting regeneration.
“The regenerant properties of the new fertilizer were tested in a controlled environment.”