acaroid resinacaroid resin
an alcohol-soluble gum resin taken from various grass trees, used in varnishes, inks, etc.: it is unique among natural resins because it forms a hard, insoluble, chemical-resistant film when heated
A yellow or reddish resin obtained from various Australian grass trees and used in varnishes, lacquers, and paper manufacture.
Origin of acaroid resinFrom New Latin acaroīdēs : Greek akari, a kind of mite + Greek -oeidēs, -oid.