prepenna
/priːˈpɛnə/(also praepenna) Ornithology
noun
A down feather of a young bird; specifically one that is replaced by a contour feather in the adult bird.
Origin
Early 20th century. From pre- + classical Latin penna feather.
| 单词 | prepenna |
| 释义 | prepenna/priːˈpɛnə/(also praepenna) Ornithology noun A down feather of a young bird; specifically one that is replaced by a contour feather in the adult bird. Origin |
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