Canada balsam


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Canada balsam

n.
A viscous, yellowish, transparent resin obtained from the balsam fir and used as a cement for glass lenses and for mounting specimens on microscopic slides.

Canada balsam

n
1. (Botany) 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. (Plants) another name for balsam fir

Can′ada bal′sam


n.
a water-soluble resin obtained from the balsam fir, Abies balsamea, used as a cement for microscope slides and lenses.
[1810–20, Amer.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Canada balsam - yellow transparent exudate of the balsam fir; used as a transparent cement in optical devices (especially in microscopy) and as a mounting medium
oleoresin - a naturally occurring mixture of a resin and an essential oil; obtained from certain plants
2.Canada balsam - medium-sized fir of northeastern North AmericaCanada balsam - medium-sized fir of northeastern North America; leaves smell of balsam when crushed; much used for pulpwood and Christmas trees
silver fir - any of various true firs having leaves white or silvery white beneath
References in periodicals archive ?
About 41 specimens of genus Brueelia Keler (Phthiraptera: Ischnocera: Philopteridae) were collected from sixteen birds; mounted permanently in Canada balsam using standard methods.
Females are preserved in 70% etanol and the male was mounted on a permanent slide with Canada Balsam, following the procedure of Bravo (1996).
Adult parasitoids that were considered to be possible new records were slide-mounted in Canada balsam or in Faure liquid, and deposited in the entomological collection of the University of Guadalajara, Jalisco, Mexico (CAJAPE), or the Entomology Research Museum, University of California at Riverside, California, USA (UCRC).
The specimens were mounted in Canada balsam following the procedures described by Paggi (2009) and were compared with the holotype deposited in the Natural History Museum (London, UK (NHM)).
Cestodes were stained in Carmine and mounted in Canada balsam for identification.
Something in the air: With notes of patchouli leaves, eucalyptus, Canada balsam and Siberian pine, Diptyque's Limited-Edition Sapin Dore Scented Candle transports you to the heart of a forest of golden spruce trees.
Canada balsam was the traditional choice from the late 19th century through much of the 20th century.

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