Pronunciation (UK) IPA (key): /ˈtɜː.pənˌtaɪn/ (US) IPA (key): /ˈtɝ.pənˌtaɪn/ Audio (UK)(file) Noun Singular turpentine Plural turpentines Turpentine is any oleoresin secreted by the bark of certain trees. Turpentine is a volatile essential oil that is obtained from such oleoresin and is used as a solvent and paint thinner.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads