| 单词 | life-knot |
| 释义 | > as lemmaslife-knot ΚΠ 1829 P. Clinton tr. A. Richard New Elements Bot. i. 44 The root..may be divided into three parts. 1st. The body or middle part... 2d. The collar or life knot [Fr. le collet ou nœud vital], that is, the point or line of demarcation which separates the root from the stem, and from which springs the bud of the annual stem, in perennial roots. 1841 W. A. Leighton Flora of Shropshire 157 In the axil of this scale.., at a point a little above the life-knot or part from which the true roots depend. 1882 Tea Cycl. 147/1 The disease, followed by decay, travels upwards until it reaches the collar or life, knot—the point from which roots and stem diverge, the one up, and the other downwards. < as lemmas |
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