Balsam of fir
Canada balsam.
a pale yellow or greenish, slightly fluorescent, clear, viscous, bitter-tasting, water-insoluble liquid, having a pleasant, aromatic, pinelike odor, and solidifying on exposure to air: obtained from the balsam fir, Abies balsamea, and used chiefly for mounting objects on microscope slides, in the manufacture of fine lacquers, and as a cement for lenses.
noun
a yellow transparent resin obtained from the balsam fir. Because its refractive index is similar to that of glass, it is used as an adhesive in optical devices and as a mounting medium for microscope specimens
another name for balsam fir
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a North American tree, Populus balsamifera, having sticky, resinous buds and shiny ovate leaves. Historical Examples The camp had been placed under a beautiful tree—the tacamahac, or balsam poplar. Popular Adventure Tales Mayne Reid The camp had been placed under a beautiful tree—the tacamahac, or balsam poplar (Populus balsamifera). The Young Voyageurs Mayne Reid They […]
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