tainter

taint +‎ -er

tainter (plural tainters)

1. Agent noun of taint: someone or something that taints.
   • 2011, JH Leigh, Plants of Western New South Wales, page 322:

     This species is eaten by stock but is a powerful tainter of meat and milk and this should be considered if sheep and cattle are being run for slaughter or cows are producing milk from infested areas.

• intreat, iterant, natrite, nattier, nitrate, tartine, tertian