Absolute zero and Absence of heat

Absolute zero noun - (cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 centigrade or -459.67 Fahrenheit.

Absence of heat and absolute zero are semantically related. in lowest temperature topic. In some cases you can use "Absence of heat" instead a noun phrase "Absolute zero".

Absolute zero and absence of heat are semantically related. Sometimes you can replace phrase "Absolute zero" with "Absence of heat", this phrases are similar.