The Collaborative International Dictionary
Hexavalent
Hexavalent \Hex*av"a*lent\, a. [Hexa- + L. valens, -entis, p. pr. See Valence.] (Chem.) Having a valence of six; -- said of hexads.
Wiktionary
hexavalent
a. (context chemistry English) having a valence of 6
Usage examples of "hexavalent".
Unless he had said something, I figured, not even Inototsu was crafty enough to connect me with the consignments of hexavalent chromium.
He certainly knew both that the hexavalent chromium came from there and that Inototsu was my biological father.
Not only that, I paid him a straight twenty percent commission on the hexavalent chromium business.