Reducing agent

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any substance that reduces, or donates electrons to, another; in so doing, it becomes oxidized.
  2. 2
    a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver wordnet