Definitions

1. noun

A toxic, flammable, colorless liquid or solid obtained from coal tar or petroleum, used as a disinfectant and in medicine, and as an ingredient in various products, such as paint and varnish.

“The hospital used kreosote to disinfect the operating room.”

2. noun

The heartwood of certain trees, especially those of the genus Rhus, yielding a similar resin.

“The tree’s kreosote was used for its antiseptic properties.”