residual inhibitor

re·sid·u·al in·hib·i·tor

a sound-generating device, worn in the ear, that inhibits or suppresses the sounds of tinnitus by masking them, with a residual inhibitory effect when the device is turned off.
References in periodicals archive ?
To check residual inhibitor concentration, the well has to be isolated to collect the water sample.
Testing residual inhibitor levels typically required several days, if not weeks, because it could only be done at offshore labs.
By applying the Bernoulli (or Venturi) Effect, the V-Jet uses the energy of bypass flow for the work needed to redeploy and redistribute residual inhibitor chemicals throughout the pipe run.
As the pig moves forward, residual inhibitor fluid that has pooled on the bottom of the pipe is siphoned through the front inlets and sprayed onto the top area of the inner pipe wall.