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| zo·o·xan·thel·la [ zəzən théllə ] (plural zo·o·xan·thel·lae [ zəzən théllee ]) |
noun |
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| Definition: |
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symbiotic alga: a microscopic yellow-green alga that lives symbiotically within the cells of some ocean invertebrates, especially corals
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| [Late 19th century. < modern Latin, "small yellow animal" < Greek zōion "animal" + xanthos "yellow"] |
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