1. Canada balsam, oleoresin

usage: yellow transparent exudate of the balsam fir; used as a transparent cement in optical devices (especially in microscopy) and as a mounting medium

2. balsam fir, balm of Gilead, Canada balsam, Abies balsamea, silver fir

usage: medium-sized fir of northeastern North America; leaves smell of balsam when crushed; much used for pulpwood and Christmas trees

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