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| so·rus [ sáwrəss ] (plural so·ri [ sáw r ]) |
noun |
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| Definition: |
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1. spore case cluster: a cluster of spore cases on the underside of some fern fronds
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2. spore-producing organ: a spore-producing organ in some algae, fungi, and lichens
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| [Mid-19th century. Via modern Latin< Greek sōros "heap"] |
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