Phrase guide
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noun
A circular disk used to measure water transparency (and thus turbidity).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From Secchi + disk. From Italian Secchi, from Angelo Secchi.
Across languages
3 source translations are retained for this English entry.
