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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Mao (referring to Mao Zedong) + -on, coined in 1977 by American theoretical physicist Sheldon L. Glashow in remembrance of Mao, who firmly holds that matter is endlessly divisible.
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Classic usage
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