acaroid resin definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an alcohol-soluble gum resin taken from various grass trees, used in varnishes, etc.: unique among natural resins because it forms a hard, insoluble, chemical-resistant film when heated
acaroid resin definition by American Heritage Dictionary
A yellow or reddish resin obtained from various Australian grass trees and used in varnishes, lacquers, and paper manufacture. Also called accroides gum, gum accroides.
Origin: From New Latin acaroīdēs : Greek akari, a kind of mite + Greek -oeidēs, -oid.