phase transition(redirected from Second order phase transition)
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Related to Second order phase transition: First order phase transition
A change in a feature of a physical system, often involving the absorption or emission of energy from the system, resulting in a transition of that system to another state. The melting of ice is a phase transition of water from a solid phase to a liquid phase, requiring energy in the form of heat.
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|Noun||1.||phase transition - a change from one state (solid or liquid or gas) to another without a change in chemical composition|
liquefaction - the conversion of a solid or a gas into a liquid
natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
melt, melting, thaw, thawing - the process whereby heat changes something from a solid to a liquid; "the power failure caused a refrigerator melt that was a disaster"; "the thawing of a frozen turkey takes several hours"