spirogyra

noun

spi·ro·gy·ra | \ ˌspī-rə-ˈjī-rə

\

Definition of spirogyra

: any of a genus (Spirogyra) of freshwater green algae with spiral chloroplasts

Examples of spirogyra in a Sentence

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Specialists reckon that human run-off contributed to the lake’s latest crisis: the sudden and widespread appearance of a new form of algae, spirogyra. — The Economist, "Cleaning up Lake BaikalOn the world’s deepest lake, something new: Russian eco-activists," 22 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spirogyra.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of spirogyra was in 1875

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