[cor.rode] vb cor.rod.ed ; cor.rod.ing [ME, fr. L corrodere to gnaw to pieces, fr. com- + rodere to gnaw--more at rodent] vt (14c) 1: to eat away by degrees as if by gnawing; esp: to wear away gradually usu. by chemical action "the metal was corroded beyond repair"
2: to weaken or destroy gradually: undermine "manners and miserliness that ~ the human spirit --Bernard DeVoto" ~ vi: to undergo corrosion -- cor.rod.ible adj