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| pro·to·ne·ma [ prtə nmə ] (plural pro·to·ne·ma·ta [ prtə nmətə ]) |
noun |
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| Definition: |
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thread-shaped structure of moss: the primary thread-shaped structure of mosses and some liverworts that results from the germination of a spore and gives rise to a new plant
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| [Mid-19th century. <proto- + Greek nēma "thread"] |
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 pro·to·ne·mal adjective |
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