pontianac
A fossil resin historically used in the production of some rubber, produced from the latex of Dyera costulata.
countable, uncountable
A firm of manufacturers to whom a sample of the Galactodendron latex was submitted considered that the material could be used in the rubber industry as a substitute for pontianac.
Where it comes from
From Pontianac, an older spelling of Pontianak, a port city in West Kalimantan, from which the resin was shipped, named for the ghostly pontianaks which supposedly once inhabited the site.
Adapted from the Wiktionary entry pontianac (CC BY-SA 4.0).