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单词 canada balsam
释义

Canada balsam


noun

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 of Canada balsam

An Americanism dating back to 1810–20

Words nearby Canada balsam

Canaanitic, Canace, Canad., Canada, Canada Act, Canada balsam, Canada bluegrass, Canada Day, Canada goose, Canada jay, Canada lily
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for Canada balsam

  • If this consists of glass, Canada-balsam or marine glue is best.

    An Elementary Text-book of the Microscope|John William Griffith

British Dictionary definitions for Canada balsam

Canada balsam

noun

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
another name for balsam fir
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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更新时间:2024/9/20 16:56:01