单词 | canada balsam |
释义 | > as lemmasCanada balsam Canada balsam n. a resin which exudes from either of two coniferous trees native to eastern and central North America, the balsam fir ( Abies balsamea) and eastern hemlock ( Tsuga canadensis); a pale yellow turpentine made from such resin, commonly used as a varnish, glue, and mounting medium for microscope slides; = Canada turpentine n. at sense 7.Dried Canada balsam has a refractive index close to that of glass, and has been used to produce plane-polarized light. Cf. Nicol prism at Nicol n.2extracted from Canadan.1< as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。