"polonium-210" meaning in All languages combined

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      "glosses": [
        "A radioactive isotope of polonium, ²¹⁰₈₄Po, having a half-life of 138 days; it as used as a reference alpha emitter in the calibration of radiation counters"
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        "(physics) A radioactive isotope of polonium, ²¹⁰₈₄Po, having a half-life of 138 days; it as used as a reference alpha emitter in the calibration of radiation counters"
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        "(physics) A radioactive isotope of polonium, ²¹⁰₈₄Po, having a half-life of 138 days; it as used as a reference alpha emitter in the calibration of radiation counters"
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