[ 'tə:p(ə)ntʌɪn ]
■ noun
1》 (also crude or gum ~ ) an oleoresin secreted by certain pines and other trees and distilled to make rosin and oil of ~.
2》 (also oil of ~ ) a volatile pungent oil distilled from this, used in mixing paints and varnishes and in liniment.
■ verb apply ~ to.
Origin
ME: from OFr. ter(e)bentine , from L. ter(e)binthina (resina) '(resin) of the terebinth'.