stonewort
noun
stone·wort
ˈstōn-ˌwərt 
-ˌwȯrt
: 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
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Starry stonewort can form dense mats and compete with native plants.
—
Mary Lynn Smith, Star Tribune, 26 June 2021
Starry stonewort was found in Lower Nemahbin Lake and Pewaukee Lake in August, 2019, according to the River Alliance of Wisconsin.
—Evan Frank, Milwaukee Journal Sentinel, 8 Jan. 2020
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Mary Lynn Smith, Star Tribune, 26 June 2021
Starry stonewort was found in Lower Nemahbin Lake and Pewaukee Lake in August, 2019, according to the River Alliance of Wisconsin.
—Evan Frank, Milwaukee Journal Sentinel, 8 Jan. 2020
Cite this Entry
“Stonewort.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stonewort. Accessed 18 Sep. 2025.
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