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

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

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

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

Balsam of fir.

Oleoresin of fir; terebinthina canadensis.

See Canada turpentine, under turpentine.

Tercbinthina canadensis. Used in histology and pathology for mounting stained sections on glass slides.

An oleo-resin from the balm of Gilead fir, Abies balsamea, which grows abundantly in Canada and Northern U. S. It is used for making colourless varnish.