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![absolute zero](/images/sized/images/uploads/sd/Absolute_Zero-266x293.jpg)
Graphic courtesy National High Magnetic Field Laboratory
absolute zero:
A temperature so cold that it can only be approached, never reached. Absolute zero is –273.16º C or –459.69º F. At absolute zero, molecular motion nearly stops. Scientists have been able to lower the temperature of an object to within a few millionths of a degree of absolute zero.