stonewort

noun
stone·​wort | \ˈstōn-ˌwərt, -ˌwȯrt\

Definition of stonewort 

: any of various freshwater green algae (order Charales) that have a thallus differentiated into rhizoids and stems with whorls of branchlets and that are often encrusted with calcareous deposits

Examples of stonewort in a Sentence

Recent Examples on the Web

The first Wisconsin detection of starry stonewort was made in 2015 on Little Muskego Lake. Paul A. Smith, Milwaukee Journal Sentinel, "Little Muskego Lake fishing closure will begin Nov. 1," 27 Oct. 2017 One concern expressed during the workshop was the potential for starry stonewort to spread via duck hunters. Evan Frank, Milwaukee Journal Sentinel, "Growing concern over starry stonewort in Wisconsin's lakes leads to workshop at Oconomowoc Community Center," 15 Sep. 2017

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

First Known Use of stonewort

1816, in the meaning defined above

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The first known use of stonewort was in 1816

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