"mesotron" meaning in English

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  "etymology_text": "From meso- + -tron. Coined by American physicists Carl Anderson and Seth Neddermeyer in 1938 in a letter to Nature titled \"Mesotron (Intermediate Particle) as a Name for the New Particles of Intermediate Mass\".",
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          "sense": "meson",
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          "word": "mésotron"
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            "masculine"
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          "word": "mesotrone"
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        "Nature (journal)"
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      "word": "mésotron"
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      "word": "mesotrone"
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