diagramă de fază angolul

phase diagram [phase diagrams]▼(graph, with axes representing temperature and pressure, showing the equilibrium conditions for a given substance to be a solid, liquid or gas)
noun
[UK: feɪz ˈdaɪə.ɡræm] [US: ˈfeɪz ˈdaɪə.ˌɡræm]