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Classic usage
Pronunciation: /ˈdaɪ.əˌtɔm/
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From (deprecated) genus name Diatoma, from Ancient Greek διάτομος (diátomos, “cut through, cut in half”).
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tap / space
Classic usage
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