dihydric
di·hy·dric
(dī-hī′drĭk)adj.
Containing two hydroxyl groups.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
dihydric
(daɪˈhaɪdrɪk)adj
(Chemistry) (of an alcohol) containing two hydroxyl groups per molecule
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014