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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English augmentation, augmentacion, augmentacioun, from Old French augmentacion, from Latin augmentātiō, verbal noun from augmentō (“increase”, verb).
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tap / space
Classic usage
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Verbault — Brown corpus levels, WordNet definitions, Gutenberg corpus.
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