| 单词 | ring shake |
| 释义 | > as lemmasring shake ring shake n. Forestry partial or complete separation of two or more consecutive growth rings in a tree trunk; an instance of this; cf. cup-shake n. ΘΚΠ the world > plants > part of plant > part of tree or woody plant > wood > [noun] > cleft or shake lag1579 shake1651 heart shake1802 ring shake1868 gum-shake1887 1868 Trans. Sc. Arboricultural Soc. 4 65 Where trees are affected with ring-shake, the subsoil is generally cold and wet. 1905 Sci. Amer. Suppl. 25 Mar. 24433/1 Ringshake..appears on a cross section as one or more splits running concentrically around the log. 1968 J. Arnold Shell Bk. Country Crafts 84 They used to ‘split the heart’..as this obviated what were known as ‘ring-shakes’. 2002 APT Bull. 33 71/3 Other defects included splits, ring shake, notches, and mechanical damage. < as lemmas |
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