Definition of hydrol
plural -s
1 a
:the simple water molecule H2O
b
:a polymer (H2O)n of this molecule
2
:a secondary alcohol (as benzhydrol) especially of the aromatic series
3
or less commonly
hydrol syrup
[probably irregular from hydr-]
:a light brown syrupy mother liquor from the manufacture of dextrose used in the fermentation industries 
