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  1. Oxford American Dictionary

    absolute zero

    • IPA[ˌabsəˌlo͞ot ˈzirō]

    美式

    • n.
      the lowest temperature that is theoretically possible, at which the motion of particles that constitutes heat would be minimal. It is zero on the Kelvin scale, equivalent to –273.15°C or –459.67°F.

    • noun: absolute zero, plural noun: absolute zeros