Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
An instrument for measuring the transparency of a fluid, such as a Secchi disk.
Definition source: English Wiktionary via Wiktextract
Usage: archaic
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From Ancient Greek διαφανής (diaphanḗs, “transparent”) + -meter. Compare diaphanous.
