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.
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
- Balsam of tolu
tolu. noun the full name of tolu
- Balsam of peru
Peru balsam. noun an aromatic balsam that is obtained from the tropical South American leguminous tree Myroxylon pereirae and is similar to balsam of Tolu Also called Peru balsam
- Balsam pear
an Old World tropical vine, Momordica charantia, of the gourd family, having yellow flowers and orange-yellow fruit. the unripe fruit of this plant, used as a vegetable in Asian cookery.
- Balsam poplar
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 […]