| 单词 |
oosperm |
| 释义 |
oosperm|ˈəʊəspɜːm| [mod. f. Gr. ᾠό-ν egg + σπέρµα seed, sperm.] a. Zool. A fertilized ovum. b. Bot. = oospore.
1888Rolleston & Jackson Anim. Life Introd. 25 The ovum has now [after impregnation] become an oosperm, and it speedily undergoes fission or segmentation and gastrulation. 1892Syd. Soc. Lex., Oosperm..In Botany, the term is sometimes applied to the oosphere after fertilisation. |

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