an alloy of sodium and mercury, usually produced as a gray metallic crystalline substance, which is used as a reducing agent, and otherwise.
See also: Sodium
sodium amalgam
sodium amalgam
[′sōd·ē·əm ə′mal·gəm] (inorganic chemistry) NaxHgxA fire-hazardous, silver-white crystal mass that decomposes in water; used to make hydrogen and as an analytical reagent.