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WordNet-Online 
 
Noun blue-green algae has 1 sense 
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| blue-chip blue-chip stock blue-collar blue-eyed blue-eyed african daisy blue-eyed grass blue-eyed mary blue-green blue-green algae blue-headed vireo blue-of-france blue-pencil blue-ribbon blue-sclera disease blue-state blue-water blue-winged teal 
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