| 单词 | autumn wood |
| 释义 | > as lemmasautumn wood autumn wood n. the portion of the annual growth of a tree which is formed later in the growing season and is typically denser and harder than the rest of the wood; = latewood n. at late adj.1 Compounds 4.Cf. spring wood n. 2. ΘΚΠ the world > plants > part of plant > part of tree or woody plant > wood > [noun] > ring or layer > formed earlier or later summer wood1783 spring wood1840 autumn wood1863 latewood1872 early wood1893 1863 J. Justen in Builder 21 Feb. 131/3 A pine with small yearly rings is of good quality, for we find each spring or summer ring surrounded with riper autumn wood, richly saturated with resin. 1885 G. L. Goodale Physiol. Bot. (1892) 139 That [wood] which is produced earliest (spring wood) has somewhat larger ducts and wood-cells than that which is formed later (autumn wood). 1964 Forestry Terminol. (Soc. Amer. Foresters) (ed. 3) 95/2 Wood, late, the denser, smaller-celled, later-formed part of a growth layer. Syn. Autumn wood; Summer-wood. 2012 Current Microsc. Contributions Adv. Sci. & Technol. 1078 Cells in spring wood have thinner and weaker walls than those in autumn wood. < as lemmas |
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