Meaning of “blue-green algae” in the English Dictionary

british dictionary

"blue-green algae" in British English

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blue-green algaenoun [ plural ]

uk /ˌbluːˌɡriːn ˈæl.ɡiː/ us /ˌbluːˌɡriːn ˈæl.ɡiː/

a poisonous type of plant that grows on the surface of lakes in warm weather

(Definition of “blue-green algae” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)