Search the Dictionary:

 
A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z
 
absolute zero
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.