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Từ điển WordNet v3.1 - WordNet Dictionary
Canada balsam
1. yellow transparent exudate of the balsam fir;
used as a transparent cement in optical devices (especially in microscopy) and as a mounting medium
• Hypernyms:
oleoresin
2. medium-sized fir of northeastern North America;
leaves smell of balsam when crushed;
much used for pulpwood and Christmas trees
• Syn:
balsam fir, balm of Gilead, Abies balsamea
• Hypernyms:
silver fir
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