spi·​ro·​gy·​ra | \ ˌspī-rə-ˈjī-rə How to pronounce spirogyra (audio) \

Definition of spirogyra

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

Examples of spirogyra in a Sentence

Recent Examples on the Web

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.

First Known Use of spirogyra

1875, in the meaning defined above

History and Etymology for spirogyra

New Latin, from Latin spira + Greek gyros ring, circle

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The first known use of spirogyra was in 1875

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More from Merriam-Webster on spirogyra

Britannica.com: Encyclopedia article about spirogyra

Comments on spirogyra

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appealing forcibly to the mind or reason

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