creosote
noun/ˈkriːəsəʊt/
/ˈkriːəsəʊt/
[uncountable]- a thick brown liquid that is made from coal tar, used to preserve woodWord Originmid 19th cent.: coined in German from Greek kreas ‘flesh’ + sōtēr ‘preserver’, with reference to its antiseptic properties.
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creosote