| 单词 | balsa tree |
| 释义 | > as lemmasbalsa tree 2. A bombaceous tree of tropical America, Ochroma lagopus; also, the wood of this tree, used for its extreme lightness. Also balsa tree, balsa wood. Cf. corkwood n. 2. ΘΚΠ the world > plants > particular plants > cultivated or valued plants > particular timber trees or shrubs > non-British timber trees > [noun] > of South America or West Indies sweetwood1607 mastic1657 acajou1666 bastard locust tree1670 bastard locust tree1670 alligator wood1696 muskwood1696 lancewood1697 rodwood1716 cog-wood1725 soapwood1733 down tree?1740 pigeon plum1743 break-axe tree1756 horse-wood1756 loblolly whitewood1756 Spanish elm1756 trumpet-tree1756 ahuehuete1778 ocote1787 locust tree1795 Madeira wood1796 peroba1813 roble1814 louro1816 cecropia1824 purple heart1825 wallaba1825 trumpet-wood1836 gumbo-limbo1837 poui1838 quebracho1839 snake-wood1843 yacca1843 horseflesh wood1851 necklace tree1858 Honduras rosewood1860 turanira1862 softwood1864 wattle-wood1864 balsa tree1866 primavera1871 rauli1874 lemon-wood1879 wheel-tree1882 Spanish stopper1883 gurgeon-stopper1884 pinkwood-tree1884 stopper1884 sloth-tree1885 imbaubaa1893 Spanish cedar1907 amarant1909 Parana pine1916 imbuya1919 mastic-bully1920 banak1921 timbo1924 becuiba1934 society > occupation and work > materials > raw material > wood > wood of specific trees > [noun] > other woods of South American trees letterwood1655 kingwood1788 canary wood1822 saouari wooda1832 macaco-wood1835 paddlewood1837 quebracho1839 mustaiba1843 violet-wood1843 taigu wood1868 rauli1874 louro1914 balsa wood1917 palisander1930 1866 J. Lindley & T. Moore Treasury Bot. II. at Ochroma The very buoyant rafts or balsas, the unsinkable properties of which caused such surprise among the discoverers of America, are likewise made of it, whence the tree is called Balsa in some parts of America. 1917 Sci. Amer. Nov. 345/3 A new wood, apparently little known and called balsa wood, is exceedingly light. 1920 Flight 12 1301/2 Balsa wood..is so extremely light that it can be recommended for making aerofoils. 1924 Contemp. Rev. Jan. 95 The balsa tree, a wood which, from its extreme lightness, is specially suitable in the construction of aeroplanes. 1933 Discovery June 194/1 Advance scouts had drifted on a balsa-wood raft. 1951 Oxf. Junior Encycl. VII. 223/2 Balsa is only half the weight of cork, and is the lightest and softest of commercial woods. < as lemmas |
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