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The ways that matter changes between solid, liquid, and gas.


the process of changing from a gaseous to a liquid or solid state


change from a solid to a liquid, the process whereby heat changes something from a solid to a liquid


change from a liquid to a solid when cold


the change of a substance from a liquid to a gas


(chemistry) a change directly from the solid to the gaseous state without becoming liquid


the change of state from a gas directly to a solid

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