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Definition of Canada balsam
1. Noun. Yellow transparent exudate of the balsam fir; used as a transparent cement in optical devices (especially in microscopy) and as a mounting medium.
Generic synonyms: Oleoresin
2. Noun. Medium-sized fir of northeastern North America; leaves smell of balsam when crushed; much used for pulpwood and Christmas trees.
Medical Definition of Canada balsam
1. A yellowish liquid resin from the balsam fir, Abies balsamea (family Pinaceae); contains kinene and bornyl acetate; used for mounting histologic specimens and as a cement for lenses. Synonym: Canada turpentine. (05 Mar 2000)