maerl

noun

ˈmer(ə)l,

mäˈer-

plural -s

: lime-producing red seaweeds principally of the genus Lithothamnion used especially in France to reduce acidity of the soil

Word History

Etymology

French maërl, maërle, from Breton merl, maërl marl, maerl, from Middle French marle marl

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