Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun reductant

1 sense of reductant

Sense 1
reducing agent, reducer, reductant -- (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)
       => chemical agent -- (an agent that produces chemical reactions)