| 单词 | indusium |
| 释义 | Word Frequency indusium(ɪnˈdjuːzɪəm) nounWord forms: plural -sia (-zɪə) 1. a membranous outgrowth on the undersurface of fern leaves that covers and protects the developing sporangia 2. an enveloping membrane, such as the amnion Derived forms indusial (inˈdusial) adjective Word origin C18: New Latin, from Latin: tunic, from induere to put on |
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