—n.
1 (in full creosote oil) a dark-brown oil distilled from coal tar, used as a wood-preservative.
2 a colourless oily fluid distilled from wood tar, used as an antiseptic.
—v.tr. treat with creosote.
Etymology: G Kreosote f. Gk kreas flesh + soter preserver, with ref. to its antiseptic properties
Useful english dictionary. 2012.