stonewort

noun stone·wort \ -ˌwərt , -ˌwȯrt \
Updated on: 28 Nov 2017

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

Recent Examples of stonewort from the Web

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


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