| reducing agent | |
| —n | |
| chem Compare oxidizing agent a substance that reduces another substance in a chemical reaction, being itself oxidized in the process | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a fool or simpleton; ninny. |
reducing agent n.
A substance that chemically reduces other substances, especially by donating an electron or electrons.