air fern
chiefly US
noun
A dried colony of the hydrozoan Sertularia argentea, which when dyed green has a fern-like appearance and is sold for ornament.
Origin
1950s; earliest use found in Walla Walla Union-Bulletin.
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| 单词 | air fern |
| 释义 | air fernchiefly US noun A dried colony of the hydrozoan Sertularia argentea, which when dyed green has a fern-like appearance and is sold for ornament. Origin |
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