oligodynamic

oli·go·dy·nam·ic

adj \-dī-ˈnam-ik\

Definition of OLIGODYNAMIC

1

: active in very small quantities <an oligodynamic germicide>

2

a : produced by minute quantities <oligodynamic action of silver in disinfecting water> b : of or relating to the action of such quantities

3

: of, relating to, or being produced by the specific activity of an oligodynamic substance <oligodynamic effects of metals on bacterial growth>