| 单词 | pith |
| 释义 | Word Frequency pith(pɪθ) noun 1. the soft fibrous tissue lining the inside of the rind in fruits such as the orange and grapefruit 2. the essential or important part, point, etc 3. weight; substance 4. Also called: medulla botany the central core of unspecialized cells surrounded by conducting tissue in stems 5. the soft central part of a bone, feather, etc verb (transitive) 6. to destroy the brain and spinal cord of (a laboratory animal) by piercing or severing 7. to kill (animals) by severing the spinal cord 8. to remove the pith from (a plant) Word origin Old English pitha; compare Middle Low German pedik, Middle Dutch pitt(e) |
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