canada balsam defined in 1951 yearcanada balsam - canada balsam;
canada balsam - Gum commonly used, dissolved in xylene, for making permanent microscopical preparations. The object is placed in a thin layer of balsam solution between cover-slip and slide. The balsam dries hard, and because its refractive index is like that of proteins and other constituents of biological objects, it makes them very transparent.
near canada balsam in Knolik
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