Canada balsam Also called Canada turpentine, a sticky exudate from the Balsam fir (Abies balsamea). It is a pale yellow oleoresin that has a refractive index similar to that of glass and is primarily used as a cement for glass in optics. Related category • ORGANIC CHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |