Definition of "corrodent"

In fact, it is used in a variety of medicines; we boil, burn, and distil it, to produce salts, corrodents, sublimates, […]

1880, Tullidge's Quarterly Magazine of Utah

Hex nut is made of carbon steel or Monel, while parts coming in contact with corrodents are made of metals suited to the particular applications.

1951, Food Engineering, volume 23, page 143