| blue-green algae |
cyanobacteria: predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton
Ãâó: wordnet.princeton.edu/perl/webwn
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| blues |
a type of folksong that originated among Black Americans at the beginning of the 20th century; has a melancholy sound from repeated use of blue notes a state of depression; "he had a bad case of the blues"
Ãâó: wordnet.princeton.edu/perl/webwn
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| blue devil |
blueweed: a coarse prickly European weed with spikes of blue flowers; naturalized in United States amobarbital sodium: the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
Ãâó: wordnet.princeton.edu/perl/webwn
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| blue cohosh |
tall herb of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally
Ãâó: wordnet.princeton.edu/perl/webwn
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| blue gum |
tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish
Ãâó: wordnet.princeton.edu/perl/webwn
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