1. 
   phase change
   [n] - a change from one state (solid or liquid or gas) to another without a change in chemical composition
   Found op http://www.webdictionary.co.uk/definition.php?query=phase%20change
   
   
2. 
   Phase Change
   The change from gas to liquid to solid.solid ? liquid = meltingliquid ? solid = freezingsolid ? gas = subliminggas ? solid = condensingliquid ? gas = evaporatinggas ? liquid = condensing
   Found op http://www.diracdelta.co.uk/science/source/p/h/phase%20change/source.html
   
   
3. 
   phase change
   phase transition. A change in the state of a sample of matter; for example, solid to liquid or liquid to gas. Phase changes are considered physical rather than chemical changes.
   Found op http://antoine.frostburg.edu/chem/senese/101/glossary/p.shtml
   
   
4. 
   phase change
   phase transition noun a change from one state (solid or liquid or gas) to another without a change in chemical composition
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=phase%20change
   
   
5. 
   phase change
   (from the article `phase`) ...are solid, liquid, and gas (vapour), but others are considered to exist, including crystalline, colloid, glassy, amorphous, and plasma phases. ... Relative humidity can be defined as the ratio of the vapour pressure of a sample of air to the saturation pressure at the e...
   Found op http://www.britannica.com/eb/a-z/p/54
   
   
6. 
   Phase Change
   Reorganization of a substance at the atomic or molecular level resulting in a change of the physical state of matter. For example, a change from solid to liquid to a gas.
   Found op http://www.physicalgeography.net/physgeoglos/p.html
   
   
7. 
   Phase Change
   The process of changing from one physical state (solid, liquid, or gas) to another, with a necessary or coincidental input or release of energy.
   Found op http://www.electromn.com/glossary/p.htm
   
   
8. 
   phase change
   Metamorphosis of a substance from one state to another, as from gas to liquid or from solid to gas.
   Found op http://www.daviddarling.info/encyclopedia/P/phase_change.html
   
   

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