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| stone·wort [ stṓn wùrt, stṓn wàwrt ] (plural stone·wort or stone·worts) |
noun |
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type of green alga: a green alga that grows in fresh or slightly salty water and resembles a plant, having structures resembling leaves arranged on a long structure resembling a stem and jointed branches, often encrusted with lime. Family Characeae.
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