hexavalent [医] 六价的
Hexavalent \Hex*av"a*lent\, a. [Hexa- + L. valens, -entis, p.
pr. See {Valence}.] (Chem.)
Having a valence of six; -- said of hexads.
- She said zinc is dangerous to fish and wildlife, and hexavalent chromium is dangerous to people and aquatic life.
- The bleach, sodium dichromate, contained hexavalent chromium, a cancer-causing agent.