(a condition of) timber that is characterized by abnormal brittleness and low strength, esp. in the heartwood.
| 单词 | θ22323 |
| 释义 | the world > plants > part of plant > part of tree or woody plant > wood > [noun] > brittle heart (1) brittle heart1934 (a condition of) timber that is characterized by abnormal brittleness and low strength, esp. in the heartwood. |
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