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balsam fir

noun
1.
a North American fir, Abies balsamea, having dark purplish cones and yielding Canada balsam.
2.
the wood of this tree.
3.
any of certain other firs.
Origin
1795-1805
1795-1805, Americanism

balsam of fir

noun

Canada balsam

noun
1.
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.
Also called Canada turpentine, balsam of fir.
Origin
1810-20, Americanism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for balsam-fir

Canada balsam

noun
1.
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
2.
another name for balsam fir

balsam fir

noun
1.
a fir tree, Abies balsamea, of NE North America, that yields Canada balsam Also called balsam, Canada balsam. See also balm of Gilead
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for balsam-fir

Canada balsam

oleoresin consisting of a viscous yellowish to greenish liquid exuded by the balsam fir of North America, Abies balsamea. It is actually a turpentine, belonging to the class of oleoresins (natural products consisting of a resin dissolved in an essential oil), and not a balsam.

Learn more about Canada balsam with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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10
13
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