| 单词 | root swelling |
| 释义 | > as lemmasroot swelling root swelling n. (a) the swelling of the root of a plant; (also) an instance of this; a tuber, root nodule, etc.; (b) = root swell n.In quot. 1851, a disease of oats causing swelling of the roots. ΘΚΠ the world > plants > part of plant > part of tree or woody plant > [noun] > root > buttress-root buttress1759 buttress root1851 root swelling1851 plank buttress1903 1851 Farmer's Mag. June 475/1 All turnip disease and clover sickness and root-swelling of oats will be prevented. 1902 Forestry Q. 1 56 The influence of the enlarged base of the bole (root-swelling) is appreciable at the breast-high point, and gives the stem a neiloid form. 1932 E. B. Fred et al. Root Nodule Bacteria & Leguminous Plants 166 The bacteria gain entrance into the root but are immediately absorbed... Small root swellings later entirely vanish. 1954 W. E. Hiley Woodland Managem. ix. 134 By girthing at 6 feet instead of 5 feet it may be possible to get away from the root swelling which usually occurs at the base of a large tree and often gives rise to inaccurate estimating. 2006 Daily Tel. (Nexis) 18 Nov. (Gardening section) 2 Dig up Jerusalem artichokes. The root swellings are tasty as long as the soil isn't engrained in the knobbles. < as lemmas |
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