Canada balsam
Americannoun
noun
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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
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another name for balsam fir
Etymology
Origin of Canada balsam
An Americanism dating back to 1810–20
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But on the Isle Royale National Park near Michigan’s border with Canada, balsam firs were being devoured.
From Seattle Times ● Dec. 20, 2023
Some photographers prefer, instead of using wax, to apply a solution of Canada balsam in spirits of turpentine.
From Notes and Queries, Number 216, December 17, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc by Various
To make a varnish for colored prints, etc., take of Canada balsam, 1 ounce; spirits of turpentine, 2 ounces, and mix well together.
From Paper and Printing Recipes A Handy Volume of Practical Recipes, Concerning the Every-Day Business of Stationers, Printers, Binders, and the Kindred Trades by Ford, J. Sawtelle
They are left in it from thirty minutes to an hour, then withdrawn, and placed in alcohol, after which they can be made transparent with essence of terebinth and mounted in Canada balsam.
It is frequently adulterated for market.—The balm of Gilead fir, which produces a turpentine called Canada balsam, is the Abies balsamifĕra, a North American species, whose range is from Virginia to Canada.
From The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.