-ol1

1.
a suffix used in the names of chemical derivatives, representing “alcohol” (glycerol; naphthol; phenol), or sometimes “phenol” or less definitely assignable phenol derivatives (resorcinol).
Origin
short for alcohol or phenol

-ol2

1.
variant of -ole2 .
British Dictionary definitions for -ol

-ol1

suffix
1.
denoting an organic chemical compound containing a hydroxyl group, esp alcohols and phenols: ethanol, quinol
Word Origin
from alcohol

-ol2

combining form
1.
(not used systematically) a variant of -ole1

-ole1

combining form
1.
denoting an organic unsaturated compound containing a 5-membered ring: thiazole
2.
denoting an aromatic organic ether: anisole
Word Origin
from Latin oleum oil, from Greek elaion, from elaia olive
Word Origin and History for -ol

word-forming element in chemistry, variously representing alcohol, phenol, or in some cases Latin oleum "oil" (see oil (n.)).

-ol in Medicine

-ol 1
suff.
An alcohol or a phenol: glycerol.

-ol 2
suff.
Variant of -ole.

-ol in Science
-ol  
A suffix used to form the names of chemical compounds having a hydroxyl (OH) group, such as ethanol.