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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Middle English expiracioun, exspiracioun (“vapor, breath”), from Latin expīrātiōnem, exspīrātiōnem, accusative singular of expīrātiō, exspīrātiō. By surface analysis, expire + -ation.
termination, expiry
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tap / space
Classic usage
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