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Từ điển WordNet v3.1 - WordNet Dictionary
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
• Syn:
reducing agent, reducer
• Derivationally related forms:
reduce, reduce (for: reducer)
• Hypernyms:
chemical agent
• Hyponyms:
hydrazine
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