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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Learned borrowing from Ancient Greek νέον (néon), neuter of νέος (néos, “new”), from earlier *νέϝος (*néwos), from Proto-Hellenic *newos, from Proto-Indo-European *néwos. By surface analysis, neo- + -on (suffix used in all noble gases).
Ne, atomic number 10
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tap / space
Classic usage
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