perisperm
/ˈperɪspɜːm/noun
- Botany (in some seeds) a mass of nutritive material outside the embryo sac【植】（某些种子的）外胚乳。
词源
early 19th cent.: from PERI-'around' + Greek sperma 'seed'.
| 单词 | perisperm |
| 释义 | perisperm/ˈperɪspɜːm/noun
词源 early 19th cent.: from PERI-'around' + Greek sperma 'seed'. |
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