reductant
/ri'dʌktәnt/
📖 中文释义
- n. [化]还原剂
🔗 释义中的汉语词
📘 English Definition（英文释义）
- n 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