- having a valence of six.
Origin of hexavalent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hexavalent
The coal ash deposits have heavy concentrations of hexavalent chromium, a carcinogen.Chris Hedges and Joe Sacco Chronicle Mining Catastrophes in West Virginia
Chris Hedges, Joe Sacco
June 14, 2012
- chem having a valency of sixAlso: sexivalent