xylenol
noun
xy·le·nol
| \ ˈzī-lə-ˌnȯl
, -ˌnōl
\
, -ˌnōl
\
Medical Definition of xylenol
: any of six crystalline isomeric phenols C8H10O or a mixture of them derived from the xylenes, found in coal tar, and used chiefly as disinfectants and in making phenolic resins — compare chloroxylenol